Finding the Fourth Proportional to 25,100, 34,638 and 13,922
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Solution
The fourth proportional to 25,100, 34,638 and 13,922 is: 19,212.36
Step by Step Solution
- Step 1: Write the proportion equation
25,100 : 34,638 = 13,922 : x - Step 2: Convert to fraction form
25,100/34,638 = 13,922/x - Step 3: Cross multiply
25,100x = 34,638 × 13,922 - Step 4: Simplify right side
25,100x = 482,230,236 - Step 5: Solve for x
x = 482,230,236/25,100 - Step 6: Final answer
x = 19,212.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.