Home / 16,177.39-22,179.20-15,882.15

Finding the Fourth Proportional to 16,177.39, 22,179.20 and 15,882.15

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Solution

The fourth proportional to 16,177.39, 22,179.20 and 15,882.15 is: 21,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.39 : 22,179.20 = 15,882.15 : x
  2. Step 2: Convert to fraction form
    16,177.39/22,179.20 = 15,882.15/x
  3. Step 3: Cross multiply
    16,177.39x = 22,179.20 × 15,882.15
  4. Step 4: Simplify right side
    16,177.39x = 352,253,381.28
  5. Step 5: Solve for x
    x = 352,253,381.28/16,177.39
  6. Step 6: Final answer
    x = 21,774.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.