Home / 16,195.78-22,350.20-9,481.08

Finding the Fourth Proportional to 16,195.78, 22,350.20 and 9,481.08

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Solution

The fourth proportional to 16,195.78, 22,350.20 and 9,481.08 is: 13,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.78 : 22,350.20 = 9,481.08 : x
  2. Step 2: Convert to fraction form
    16,195.78/22,350.20 = 9,481.08/x
  3. Step 3: Cross multiply
    16,195.78x = 22,350.20 × 9,481.08
  4. Step 4: Simplify right side
    16,195.78x = 211,904,070.62
  5. Step 5: Solve for x
    x = 211,904,070.62/16,195.78
  6. Step 6: Final answer
    x = 13,083.91

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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.