Home / 16,400.70-22,633.20-9,327.12

Finding the Fourth Proportional to 16,400.70, 22,633.20 and 9,327.12

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Solution

The fourth proportional to 16,400.70, 22,633.20 and 9,327.12 is: 12,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.70 : 22,633.20 = 9,327.12 : x
  2. Step 2: Convert to fraction form
    16,400.70/22,633.20 = 9,327.12/x
  3. Step 3: Cross multiply
    16,400.70x = 22,633.20 × 9,327.12
  4. Step 4: Simplify right side
    16,400.70x = 211,102,572.38
  5. Step 5: Solve for x
    x = 211,102,572.38/16,400.70
  6. Step 6: Final answer
    x = 12,871.56

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Half 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.