Home / 23,740.20-32,761.86-13,129.86

Finding the Fourth Proportional to 23,740.20, 32,761.86 and 13,129.86

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Solution

The fourth proportional to 23,740.20, 32,761.86 and 13,129.86 is: 18,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,740.20 : 32,761.86 = 13,129.86 : x
  2. Step 2: Convert to fraction form
    23,740.20/32,761.86 = 13,129.86/x
  3. Step 3: Cross multiply
    23,740.20x = 32,761.86 × 13,129.86
  4. Step 4: Simplify right side
    23,740.20x = 430,158,635.14
  5. Step 5: Solve for x
    x = 430,158,635.14/23,740.20
  6. Step 6: Final answer
    x = 18,119.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.