Home / 22,761.03-34,147.62-7,178.66

Finding the Fourth Proportional to 22,761.03, 34,147.62 and 7,178.66

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Solution

The fourth proportional to 22,761.03, 34,147.62 and 7,178.66 is: 10,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.03 : 34,147.62 = 7,178.66 : x
  2. Step 2: Convert to fraction form
    22,761.03/34,147.62 = 7,178.66/x
  3. Step 3: Cross multiply
    22,761.03x = 34,147.62 × 7,178.66
  4. Step 4: Simplify right side
    22,761.03x = 245,134,039.20
  5. Step 5: Solve for x
    x = 245,134,039.20/22,761.03
  6. Step 6: Final answer
    x = 10,769.90

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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.