Home / 16,488.87-22,753.56-10,519.90

Finding the Fourth Proportional to 16,488.87, 22,753.56 and 10,519.90

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Solution

The fourth proportional to 16,488.87, 22,753.56 and 10,519.90 is: 14,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.87 : 22,753.56 = 10,519.90 : x
  2. Step 2: Convert to fraction form
    16,488.87/22,753.56 = 10,519.90/x
  3. Step 3: Cross multiply
    16,488.87x = 22,753.56 × 10,519.90
  4. Step 4: Simplify right side
    16,488.87x = 239,365,123.24
  5. Step 5: Solve for x
    x = 239,365,123.24/16,488.87
  6. Step 6: Final answer
    x = 14,516.77

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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.