Home / 22,710.13-34,065.20-7,127.75

Finding the Fourth Proportional to 22,710.13, 34,065.20 and 7,127.75

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Solution

The fourth proportional to 22,710.13, 34,065.20 and 7,127.75 is: 10,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.13 : 34,065.20 = 7,127.75 : x
  2. Step 2: Convert to fraction form
    22,710.13/34,065.20 = 7,127.75/x
  3. Step 3: Cross multiply
    22,710.13x = 34,065.20 × 7,127.75
  4. Step 4: Simplify right side
    22,710.13x = 242,808,229.30
  5. Step 5: Solve for x
    x = 242,808,229.30/22,710.13
  6. Step 6: Final answer
    x = 10,691.63

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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.