Home / 22,761.12-34,137.36-7,174.56

Finding the Fourth Proportional to 22,761.12, 34,137.36 and 7,174.56

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Solution

The fourth proportional to 22,761.12, 34,137.36 and 7,174.56 is: 10,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.12 : 34,137.36 = 7,174.56 : x
  2. Step 2: Convert to fraction form
    22,761.12/34,137.36 = 7,174.56/x
  3. Step 3: Cross multiply
    22,761.12x = 34,137.36 × 7,174.56
  4. Step 4: Simplify right side
    22,761.12x = 244,920,537.56
  5. Step 5: Solve for x
    x = 244,920,537.56/22,761.12
  6. Step 6: Final answer
    x = 10,760.48

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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.