Home / 18,114.28-27,170.78-4,966.44

Finding the Fourth Proportional to 18,114.28, 27,170.78 and 4,966.44

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Solution

The fourth proportional to 18,114.28, 27,170.78 and 4,966.44 is: 7,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.28 : 27,170.78 = 4,966.44 : x
  2. Step 2: Convert to fraction form
    18,114.28/27,170.78 = 4,966.44/x
  3. Step 3: Cross multiply
    18,114.28x = 27,170.78 × 4,966.44
  4. Step 4: Simplify right side
    18,114.28x = 134,942,048.62
  5. Step 5: Solve for x
    x = 134,942,048.62/18,114.28
  6. Step 6: Final answer
    x = 7,449.48

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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.