Home / 16,488.54-22,753.38-9,318.60

Finding the Fourth Proportional to 16,488.54, 22,753.38 and 9,318.60

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Solution

The fourth proportional to 16,488.54, 22,753.38 and 9,318.60 is: 12,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.54 : 22,753.38 = 9,318.60 : x
  2. Step 2: Convert to fraction form
    16,488.54/22,753.38 = 9,318.60/x
  3. Step 3: Cross multiply
    16,488.54x = 22,753.38 × 9,318.60
  4. Step 4: Simplify right side
    16,488.54x = 212,029,646.87
  5. Step 5: Solve for x
    x = 212,029,646.87/16,488.54
  6. Step 6: Final answer
    x = 12,859.21

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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.