Home / 22,930.78-34,401.10-7,135.52

Finding the Fourth Proportional to 22,930.78, 34,401.10 and 7,135.52

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Solution

The fourth proportional to 22,930.78, 34,401.10 and 7,135.52 is: 10,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.78 : 34,401.10 = 7,135.52 : x
  2. Step 2: Convert to fraction form
    22,930.78/34,401.10 = 7,135.52/x
  3. Step 3: Cross multiply
    22,930.78x = 34,401.10 × 7,135.52
  4. Step 4: Simplify right side
    22,930.78x = 245,469,737.07
  5. Step 5: Solve for x
    x = 245,469,737.07/22,930.78
  6. Step 6: Final answer
    x = 10,704.81

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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.