Home / 24,220.30-33,424.86-13,609.72

Finding the Fourth Proportional to 24,220.30, 33,424.86 and 13,609.72

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Solution

The fourth proportional to 24,220.30, 33,424.86 and 13,609.72 is: 18,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,220.30 : 33,424.86 = 13,609.72 : x
  2. Step 2: Convert to fraction form
    24,220.30/33,424.86 = 13,609.72/x
  3. Step 3: Cross multiply
    24,220.30x = 33,424.86 × 13,609.72
  4. Step 4: Simplify right side
    24,220.30x = 454,902,985.64
  5. Step 5: Solve for x
    x = 454,902,985.64/24,220.30
  6. Step 6: Final answer
    x = 18,781.89

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Half 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.