Home / 22,220.75-33,331.08-8,899.73

Finding the Fourth Proportional to 22,220.75, 33,331.08 and 8,899.73

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Solution

The fourth proportional to 22,220.75, 33,331.08 and 8,899.73 is: 13,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.75 : 33,331.08 = 8,899.73 : x
  2. Step 2: Convert to fraction form
    22,220.75/33,331.08 = 8,899.73/x
  3. Step 3: Cross multiply
    22,220.75x = 33,331.08 × 8,899.73
  4. Step 4: Simplify right side
    22,220.75x = 296,637,612.61
  5. Step 5: Solve for x
    x = 296,637,612.61/22,220.75
  6. Step 6: Final answer
    x = 13,349.58

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Half scale
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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.