Home / 22,143.39-33,220.31-8,817.14

Finding the Fourth Proportional to 22,143.39, 33,220.31 and 8,817.14

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Solution

The fourth proportional to 22,143.39, 33,220.31 and 8,817.14 is: 13,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.39 : 33,220.31 = 8,817.14 : x
  2. Step 2: Convert to fraction form
    22,143.39/33,220.31 = 8,817.14/x
  3. Step 3: Cross multiply
    22,143.39x = 33,220.31 × 8,817.14
  4. Step 4: Simplify right side
    22,143.39x = 292,908,124.11
  5. Step 5: Solve for x
    x = 292,908,124.11/22,143.39
  6. Step 6: Final answer
    x = 13,227.79

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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.