A) 16
B) 18
C) 20
D) 22
Correct Answer: D
Solution :
Let fourth proportional be x, then \[7:11::14:x\] \[\Rightarrow \] \[\frac{7}{11}=\frac{14}{x}\] \[\Rightarrow \] \[x=2\times 11\] \[\Rightarrow \] \[x=22\]You need to login to perform this action.
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