Home / 16,213.04-22,375.68-9,929.60

Finding the Fourth Proportional to 16,213.04, 22,375.68 and 9,929.60

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Solution

The fourth proportional to 16,213.04, 22,375.68 and 9,929.60 is: 13,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.04 : 22,375.68 = 9,929.60 : x
  2. Step 2: Convert to fraction form
    16,213.04/22,375.68 = 9,929.60/x
  3. Step 3: Cross multiply
    16,213.04x = 22,375.68 × 9,929.60
  4. Step 4: Simplify right side
    16,213.04x = 222,181,552.13
  5. Step 5: Solve for x
    x = 222,181,552.13/16,213.04
  6. Step 6: Final answer
    x = 13,703.88

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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.