Home / 15,163.70-22,742.42-4,067.78

Finding the Fourth Proportional to 15,163.70, 22,742.42 and 4,067.78

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Solution

The fourth proportional to 15,163.70, 22,742.42 and 4,067.78 is: 6,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.70 : 22,742.42 = 4,067.78 : x
  2. Step 2: Convert to fraction form
    15,163.70/22,742.42 = 4,067.78/x
  3. Step 3: Cross multiply
    15,163.70x = 22,742.42 × 4,067.78
  4. Step 4: Simplify right side
    15,163.70x = 92,511,161.23
  5. Step 5: Solve for x
    x = 92,511,161.23/15,163.70
  6. Step 6: Final answer
    x = 6,100.83

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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.