Home / 22,278.20-33,419.56-8,241.98

Finding the Fourth Proportional to 22,278.20, 33,419.56 and 8,241.98

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Solution

The fourth proportional to 22,278.20, 33,419.56 and 8,241.98 is: 12,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.20 : 33,419.56 = 8,241.98 : x
  2. Step 2: Convert to fraction form
    22,278.20/33,419.56 = 8,241.98/x
  3. Step 3: Cross multiply
    22,278.20x = 33,419.56 × 8,241.98
  4. Step 4: Simplify right side
    22,278.20x = 275,443,345.13
  5. Step 5: Solve for x
    x = 275,443,345.13/22,278.20
  6. Step 6: Final answer
    x = 12,363.81

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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.