Home / 15,432.05-23,147.91-3,745.27

Finding the Fourth Proportional to 15,432.05, 23,147.91 and 3,745.27

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Solution

The fourth proportional to 15,432.05, 23,147.91 and 3,745.27 is: 5,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.05 : 23,147.91 = 3,745.27 : x
  2. Step 2: Convert to fraction form
    15,432.05/23,147.91 = 3,745.27/x
  3. Step 3: Cross multiply
    15,432.05x = 23,147.91 × 3,745.27
  4. Step 4: Simplify right side
    15,432.05x = 86,695,201.82
  5. Step 5: Solve for x
    x = 86,695,201.82/15,432.05
  6. Step 6: Final answer
    x = 5,617.87

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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.