Home / 22,193.20-33,289.80-7,402.60

Finding the Fourth Proportional to 22,193.20, 33,289.80 and 7,402.60

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Solution

The fourth proportional to 22,193.20, 33,289.80 and 7,402.60 is: 11,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.20 : 33,289.80 = 7,402.60 : x
  2. Step 2: Convert to fraction form
    22,193.20/33,289.80 = 7,402.60/x
  3. Step 3: Cross multiply
    22,193.20x = 33,289.80 × 7,402.60
  4. Step 4: Simplify right side
    22,193.20x = 246,431,073.48
  5. Step 5: Solve for x
    x = 246,431,073.48/22,193.20
  6. Step 6: Final answer
    x = 11,103.90

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Similar ratio
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1.5x scale

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.