Home / 24,220.60-33,440.72-21,660.39

Finding the Fourth Proportional to 24,220.60, 33,440.72 and 21,660.39

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Solution

The fourth proportional to 24,220.60, 33,440.72 and 21,660.39 is: 29,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,220.60 : 33,440.72 = 21,660.39 : x
  2. Step 2: Convert to fraction form
    24,220.60/33,440.72 = 21,660.39/x
  3. Step 3: Cross multiply
    24,220.60x = 33,440.72 × 21,660.39
  4. Step 4: Simplify right side
    24,220.60x = 724,338,928.78
  5. Step 5: Solve for x
    x = 724,338,928.78/24,220.60
  6. Step 6: Final answer
    x = 29,905.91

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.