Home / 15,845.05-23,761.19-5,978.96

Finding the Fourth Proportional to 15,845.05, 23,761.19 and 5,978.96

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Solution

The fourth proportional to 15,845.05, 23,761.19 and 5,978.96 is: 8,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.05 : 23,761.19 = 5,978.96 : x
  2. Step 2: Convert to fraction form
    15,845.05/23,761.19 = 5,978.96/x
  3. Step 3: Cross multiply
    15,845.05x = 23,761.19 × 5,978.96
  4. Step 4: Simplify right side
    15,845.05x = 142,067,100.70
  5. Step 5: Solve for x
    x = 142,067,100.70/15,845.05
  6. Step 6: Final answer
    x = 8,966.03

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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.