Home / 16,209.12-22,367.16-9,134.76

Finding the Fourth Proportional to 16,209.12, 22,367.16 and 9,134.76

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Solution

The fourth proportional to 16,209.12, 22,367.16 and 9,134.76 is: 12,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209.12 : 22,367.16 = 9,134.76 : x
  2. Step 2: Convert to fraction form
    16,209.12/22,367.16 = 9,134.76/x
  3. Step 3: Cross multiply
    16,209.12x = 22,367.16 × 9,134.76
  4. Step 4: Simplify right side
    16,209.12x = 204,318,638.48
  5. Step 5: Solve for x
    x = 204,318,638.48/16,209.12
  6. Step 6: Final answer
    x = 12,605.17

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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.