Home / 16,217.01-22,380.44-9,930.60

Finding the Fourth Proportional to 16,217.01, 22,380.44 and 9,930.60

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Solution

The fourth proportional to 16,217.01, 22,380.44 and 9,930.60 is: 13,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.01 : 22,380.44 = 9,930.60 : x
  2. Step 2: Convert to fraction form
    16,217.01/22,380.44 = 9,930.60/x
  3. Step 3: Cross multiply
    16,217.01x = 22,380.44 × 9,930.60
  4. Step 4: Simplify right side
    16,217.01x = 222,251,147.81
  5. Step 5: Solve for x
    x = 222,251,147.81/16,217.01
  6. Step 6: Final answer
    x = 13,704.82

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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.