Home / 15,839.52-23,761.68-11,489.80

Finding the Fourth Proportional to 15,839.52, 23,761.68 and 11,489.80

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Solution

The fourth proportional to 15,839.52, 23,761.68 and 11,489.80 is: 17,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839.52 : 23,761.68 = 11,489.80 : x
  2. Step 2: Convert to fraction form
    15,839.52/23,761.68 = 11,489.80/x
  3. Step 3: Cross multiply
    15,839.52x = 23,761.68 × 11,489.80
  4. Step 4: Simplify right side
    15,839.52x = 273,016,950.86
  5. Step 5: Solve for x
    x = 273,016,950.86/15,839.52
  6. Step 6: Final answer
    x = 17,236.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.