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Finding the Fourth Proportional to 16,105.11, 22,265.01 and 15,957.42

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Solution

The fourth proportional to 16,105.11, 22,265.01 and 15,957.42 is: 22,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.11 : 22,265.01 = 15,957.42 : x
  2. Step 2: Convert to fraction form
    16,105.11/22,265.01 = 15,957.42/x
  3. Step 3: Cross multiply
    16,105.11x = 22,265.01 × 15,957.42
  4. Step 4: Simplify right side
    16,105.11x = 355,292,115.87
  5. Step 5: Solve for x
    x = 355,292,115.87/16,105.11
  6. Step 6: Final answer
    x = 22,060.83

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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.