Home / 22,350.17-30,843.12-12,279.23

Finding the Fourth Proportional to 22,350.17, 30,843.12 and 12,279.23

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Solution

The fourth proportional to 22,350.17, 30,843.12 and 12,279.23 is: 16,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.17 : 30,843.12 = 12,279.23 : x
  2. Step 2: Convert to fraction form
    22,350.17/30,843.12 = 12,279.23/x
  3. Step 3: Cross multiply
    22,350.17x = 30,843.12 × 12,279.23
  4. Step 4: Simplify right side
    22,350.17x = 378,729,610.18
  5. Step 5: Solve for x
    x = 378,729,610.18/22,350.17
  6. Step 6: Final answer
    x = 16,945.27

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Half scale
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Double scale
Find fourth proportional to 22,351.17, 30,844.50 and 12,280.23
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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.