Home / 22,197.14-30,630.76-13,244.56

Finding the Fourth Proportional to 22,197.14, 30,630.76 and 13,244.56

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Solution

The fourth proportional to 22,197.14, 30,630.76 and 13,244.56 is: 18,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.14 : 30,630.76 = 13,244.56 : x
  2. Step 2: Convert to fraction form
    22,197.14/30,630.76 = 13,244.56/x
  3. Step 3: Cross multiply
    22,197.14x = 30,630.76 × 13,244.56
  4. Step 4: Simplify right side
    22,197.14x = 405,691,001.28
  5. Step 5: Solve for x
    x = 405,691,001.28/22,197.14
  6. Step 6: Final answer
    x = 18,276.73

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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.