Home / 18,173.12-27,202.56-12,517.59

Finding the Fourth Proportional to 18,173.12, 27,202.56 and 12,517.59

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Solution

The fourth proportional to 18,173.12, 27,202.56 and 12,517.59 is: 18,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.12 : 27,202.56 = 12,517.59 : x
  2. Step 2: Convert to fraction form
    18,173.12/27,202.56 = 12,517.59/x
  3. Step 3: Cross multiply
    18,173.12x = 27,202.56 × 12,517.59
  4. Step 4: Simplify right side
    18,173.12x = 340,510,493.03
  5. Step 5: Solve for x
    x = 340,510,493.03/18,173.12
  6. Step 6: Final answer
    x = 18,737.04

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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.