Home / 18,132.08-27,199.44-7,591.50

Finding the Fourth Proportional to 18,132.08, 27,199.44 and 7,591.50

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Solution

The fourth proportional to 18,132.08, 27,199.44 and 7,591.50 is: 11,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.08 : 27,199.44 = 7,591.50 : x
  2. Step 2: Convert to fraction form
    18,132.08/27,199.44 = 7,591.50/x
  3. Step 3: Cross multiply
    18,132.08x = 27,199.44 × 7,591.50
  4. Step 4: Simplify right side
    18,132.08x = 206,484,548.76
  5. Step 5: Solve for x
    x = 206,484,548.76/18,132.08
  6. Step 6: Final answer
    x = 11,387.80

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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.