Cuboid edges in ratio

Cuboid edges lengths are in ratio 2:4:6. Calculate their lengths if you know that the cuboid volume is 24576 cm3.

Result

a =  16 cm
b =  32 cm
c =  48 cm

Solution:

V=24576 cm3 a:b:C=2:4:6 V=abc V=2k 4k 6k=48k3 k=V/483=24576/483=8 cm a=2 k=2 8=16 cmV=24576 \ \text{cm}^3 \ \\ a:b:C=2:4:6 \ \\ V=abc \ \\ V=2k \cdot \ 4k \cdot \ 6k=48k^3 \ \\ k=\sqrt[3]{ V/48}=\sqrt[3]{ 24576/48}=8 \ \text{cm} \ \\ a=2 \cdot \ k=2 \cdot \ 8=16 \ \text{cm}
b=4 k=4 8=32 cmb=4 \cdot \ k=4 \cdot \ 8=32 \ \text{cm}
c=6 k=6 8=48 cmc=6 \cdot \ k=6 \cdot \ 8=48 \ \text{cm}



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