Home / 22,105.92-30,508.32-16,507.20

Finding the Fourth Proportional to 22,105.92, 30,508.32 and 16,507.20

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Solution

The fourth proportional to 22,105.92, 30,508.32 and 16,507.20 is: 22,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.92 : 30,508.32 = 16,507.20 : x
  2. Step 2: Convert to fraction form
    22,105.92/30,508.32 = 16,507.20/x
  3. Step 3: Cross multiply
    22,105.92x = 30,508.32 × 16,507.20
  4. Step 4: Simplify right side
    22,105.92x = 503,606,939.90
  5. Step 5: Solve for x
    x = 503,606,939.90/22,105.92
  6. Step 6: Final answer
    x = 22,781.54

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Half scale
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Double scale
Find fourth proportional to 22,106.92, 30,509.70 and 16,508.20
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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.