Home / 22,542.26-31,109.24-12,470.53

Finding the Fourth Proportional to 22,542.26, 31,109.24 and 12,470.53

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Solution

The fourth proportional to 22,542.26, 31,109.24 and 12,470.53 is: 17,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.26 : 31,109.24 = 12,470.53 : x
  2. Step 2: Convert to fraction form
    22,542.26/31,109.24 = 12,470.53/x
  3. Step 3: Cross multiply
    22,542.26x = 31,109.24 × 12,470.53
  4. Step 4: Simplify right side
    22,542.26x = 387,948,710.70
  5. Step 5: Solve for x
    x = 387,948,710.70/22,542.26
  6. Step 6: Final answer
    x = 17,209.84

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1.5x scale

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.