Home / 22,930.76-34,400.04-8,136.56

Finding the Fourth Proportional to 22,930.76, 34,400.04 and 8,136.56

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Solution

The fourth proportional to 22,930.76, 34,400.04 and 8,136.56 is: 12,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.76 : 34,400.04 = 8,136.56 : x
  2. Step 2: Convert to fraction form
    22,930.76/34,400.04 = 8,136.56/x
  3. Step 3: Cross multiply
    22,930.76x = 34,400.04 × 8,136.56
  4. Step 4: Simplify right side
    22,930.76x = 279,897,989.46
  5. Step 5: Solve for x
    x = 279,897,989.46/22,930.76
  6. Step 6: Final answer
    x = 12,206.22

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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.