Home / 22,320.89-33,481.30-9,163.99

Finding the Fourth Proportional to 22,320.89, 33,481.30 and 9,163.99

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Solution

The fourth proportional to 22,320.89, 33,481.30 and 9,163.99 is: 13,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.89 : 33,481.30 = 9,163.99 : x
  2. Step 2: Convert to fraction form
    22,320.89/33,481.30 = 9,163.99/x
  3. Step 3: Cross multiply
    22,320.89x = 33,481.30 × 9,163.99
  4. Step 4: Simplify right side
    22,320.89x = 306,822,298.39
  5. Step 5: Solve for x
    x = 306,822,298.39/22,320.89
  6. Step 6: Final answer
    x = 13,745.97

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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.