Home / 22,962.43-31,684.38-13,529.71

Finding the Fourth Proportional to 22,962.43, 31,684.38 and 13,529.71

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Solution

The fourth proportional to 22,962.43, 31,684.38 and 13,529.71 is: 18,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,962.43 : 31,684.38 = 13,529.71 : x
  2. Step 2: Convert to fraction form
    22,962.43/31,684.38 = 13,529.71/x
  3. Step 3: Cross multiply
    22,962.43x = 31,684.38 × 13,529.71
  4. Step 4: Simplify right side
    22,962.43x = 428,680,472.93
  5. Step 5: Solve for x
    x = 428,680,472.93/22,962.43
  6. Step 6: Final answer
    x = 18,668.78

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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.