Home / 16,320.59-22,535.11-12,537.79

Finding the Fourth Proportional to 16,320.59, 22,535.11 and 12,537.79

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Solution

The fourth proportional to 16,320.59, 22,535.11 and 12,537.79 is: 17,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,320.59 : 22,535.11 = 12,537.79 : x
  2. Step 2: Convert to fraction form
    16,320.59/22,535.11 = 12,537.79/x
  3. Step 3: Cross multiply
    16,320.59x = 22,535.11 × 12,537.79
  4. Step 4: Simplify right side
    16,320.59x = 282,540,436.14
  5. Step 5: Solve for x
    x = 282,540,436.14/16,320.59
  6. Step 6: Final answer
    x = 17,311.90

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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.