Home / 22,400.12-33,592.80-9,919.86

Finding the Fourth Proportional to 22,400.12, 33,592.80 and 9,919.86

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Solution

The fourth proportional to 22,400.12, 33,592.80 and 9,919.86 is: 14,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.12 : 33,592.80 = 9,919.86 : x
  2. Step 2: Convert to fraction form
    22,400.12/33,592.80 = 9,919.86/x
  3. Step 3: Cross multiply
    22,400.12x = 33,592.80 × 9,919.86
  4. Step 4: Simplify right side
    22,400.12x = 333,235,873.01
  5. Step 5: Solve for x
    x = 333,235,873.01/22,400.12
  6. Step 6: Final answer
    x = 14,876.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.