Home / 16,342.20-22,551.42-9,171.24

Finding the Fourth Proportional to 16,342.20, 22,551.42 and 9,171.24

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Solution

The fourth proportional to 16,342.20, 22,551.42 and 9,171.24 is: 12,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,342.20 : 22,551.42 = 9,171.24 : x
  2. Step 2: Convert to fraction form
    16,342.20/22,551.42 = 9,171.24/x
  3. Step 3: Cross multiply
    16,342.20x = 22,551.42 × 9,171.24
  4. Step 4: Simplify right side
    16,342.20x = 206,824,485.16
  5. Step 5: Solve for x
    x = 206,824,485.16/16,342.20
  6. Step 6: Final answer
    x = 12,655.85

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Half scale
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Double scale
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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.