Home / 15,565.20-23,350.20-5,174.52

Finding the Fourth Proportional to 15,565.20, 23,350.20 and 5,174.52

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Solution

The fourth proportional to 15,565.20, 23,350.20 and 5,174.52 is: 7,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.20 : 23,350.20 = 5,174.52 : x
  2. Step 2: Convert to fraction form
    15,565.20/23,350.20 = 5,174.52/x
  3. Step 3: Cross multiply
    15,565.20x = 23,350.20 × 5,174.52
  4. Step 4: Simplify right side
    15,565.20x = 120,826,076.90
  5. Step 5: Solve for x
    x = 120,826,076.90/15,565.20
  6. Step 6: Final answer
    x = 7,762.58

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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.