Home / 15,174.30-22,761.45-5,310.30

Finding the Fourth Proportional to 15,174.30, 22,761.45 and 5,310.30

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Solution

The fourth proportional to 15,174.30, 22,761.45 and 5,310.30 is: 7,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.30 : 22,761.45 = 5,310.30 : x
  2. Step 2: Convert to fraction form
    15,174.30/22,761.45 = 5,310.30/x
  3. Step 3: Cross multiply
    15,174.30x = 22,761.45 × 5,310.30
  4. Step 4: Simplify right side
    15,174.30x = 120,870,127.94
  5. Step 5: Solve for x
    x = 120,870,127.94/15,174.30
  6. Step 6: Final answer
    x = 7,965.45

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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.