Home / 22,052.48-30,432.76-11,981.12

Finding the Fourth Proportional to 22,052.48, 30,432.76 and 11,981.12

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Solution

The fourth proportional to 22,052.48, 30,432.76 and 11,981.12 is: 16,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.48 : 30,432.76 = 11,981.12 : x
  2. Step 2: Convert to fraction form
    22,052.48/30,432.76 = 11,981.12/x
  3. Step 3: Cross multiply
    22,052.48x = 30,432.76 × 11,981.12
  4. Step 4: Simplify right side
    22,052.48x = 364,618,549.49
  5. Step 5: Solve for x
    x = 364,618,549.49/22,052.48
  6. Step 6: Final answer
    x = 16,534.13

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.