Home / 18,080.42-27,138.14-8,727.01

Finding the Fourth Proportional to 18,080.42, 27,138.14 and 8,727.01

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Solution

The fourth proportional to 18,080.42, 27,138.14 and 8,727.01 is: 13,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.42 : 27,138.14 = 8,727.01 : x
  2. Step 2: Convert to fraction form
    18,080.42/27,138.14 = 8,727.01/x
  3. Step 3: Cross multiply
    18,080.42x = 27,138.14 × 8,727.01
  4. Step 4: Simplify right side
    18,080.42x = 236,834,819.16
  5. Step 5: Solve for x
    x = 236,834,819.16/18,080.42
  6. Step 6: Final answer
    x = 13,098.97

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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.