Home / 15,838.20-23,761.62-5,309.96

Finding the Fourth Proportional to 15,838.20, 23,761.62 and 5,309.96

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Solution

The fourth proportional to 15,838.20, 23,761.62 and 5,309.96 is: 7,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838.20 : 23,761.62 = 5,309.96 : x
  2. Step 2: Convert to fraction form
    15,838.20/23,761.62 = 5,309.96/x
  3. Step 3: Cross multiply
    15,838.20x = 23,761.62 × 5,309.96
  4. Step 4: Simplify right side
    15,838.20x = 126,173,132.93
  5. Step 5: Solve for x
    x = 126,173,132.93/15,838.20
  6. Step 6: Final answer
    x = 7,966.38

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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.