Home / 22,775.45-34,142.85-12,251.12

Finding the Fourth Proportional to 22,775.45, 34,142.85 and 12,251.12

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Solution

The fourth proportional to 22,775.45, 34,142.85 and 12,251.12 is: 18,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.45 : 34,142.85 = 12,251.12 : x
  2. Step 2: Convert to fraction form
    22,775.45/34,142.85 = 12,251.12/x
  3. Step 3: Cross multiply
    22,775.45x = 34,142.85 × 12,251.12
  4. Step 4: Simplify right side
    22,775.45x = 418,287,981.78
  5. Step 5: Solve for x
    x = 418,287,981.78/22,775.45
  6. Step 6: Final answer
    x = 18,365.74

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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.