Home / 22,221.26-33,331.89-8,900.30

Finding the Fourth Proportional to 22,221.26, 33,331.89 and 8,900.30

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Solution

The fourth proportional to 22,221.26, 33,331.89 and 8,900.30 is: 13,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.26 : 33,331.89 = 8,900.30 : x
  2. Step 2: Convert to fraction form
    22,221.26/33,331.89 = 8,900.30/x
  3. Step 3: Cross multiply
    22,221.26x = 33,331.89 × 8,900.30
  4. Step 4: Simplify right side
    22,221.26x = 296,663,937.27
  5. Step 5: Solve for x
    x = 296,663,937.27/22,221.26
  6. Step 6: Final answer
    x = 13,350.46

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Double scale
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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.