Home / 18,132.44-27,198.96-4,984.73

Finding the Fourth Proportional to 18,132.44, 27,198.96 and 4,984.73

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Solution

The fourth proportional to 18,132.44, 27,198.96 and 4,984.73 is: 7,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.44 : 27,198.96 = 4,984.73 : x
  2. Step 2: Convert to fraction form
    18,132.44/27,198.96 = 4,984.73/x
  3. Step 3: Cross multiply
    18,132.44x = 27,198.96 × 4,984.73
  4. Step 4: Simplify right side
    18,132.44x = 135,579,471.88
  5. Step 5: Solve for x
    x = 135,579,471.88/18,132.44
  6. Step 6: Final answer
    x = 7,477.18

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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.