Home / 12,394.62-18,572.11-11,135.73

Finding the Fourth Proportional to 12,394.62, 18,572.11 and 11,135.73

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Solution

The fourth proportional to 12,394.62, 18,572.11 and 11,135.73 is: 16,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.62 : 18,572.11 = 11,135.73 : x
  2. Step 2: Convert to fraction form
    12,394.62/18,572.11 = 11,135.73/x
  3. Step 3: Cross multiply
    12,394.62x = 18,572.11 × 11,135.73
  4. Step 4: Simplify right side
    12,394.62x = 206,813,853.95
  5. Step 5: Solve for x
    x = 206,813,853.95/12,394.62
  6. Step 6: Final answer
    x = 16,685.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.