Home / 22,170.11-33,261.03-9,691.25

Finding the Fourth Proportional to 22,170.11, 33,261.03 and 9,691.25

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Solution

The fourth proportional to 22,170.11, 33,261.03 and 9,691.25 is: 14,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.11 : 33,261.03 = 9,691.25 : x
  2. Step 2: Convert to fraction form
    22,170.11/33,261.03 = 9,691.25/x
  3. Step 3: Cross multiply
    22,170.11x = 33,261.03 × 9,691.25
  4. Step 4: Simplify right side
    22,170.11x = 322,340,790.68
  5. Step 5: Solve for x
    x = 322,340,790.68/22,170.11
  6. Step 6: Final answer
    x = 14,539.43

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1.5x scale

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.