Home / 18,193.31-27,289.97-5,714.42

Finding the Fourth Proportional to 18,193.31, 27,289.97 and 5,714.42

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Solution

The fourth proportional to 18,193.31, 27,289.97 and 5,714.42 is: 8,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.31 : 27,289.97 = 5,714.42 : x
  2. Step 2: Convert to fraction form
    18,193.31/27,289.97 = 5,714.42/x
  3. Step 3: Cross multiply
    18,193.31x = 27,289.97 × 5,714.42
  4. Step 4: Simplify right side
    18,193.31x = 155,946,321.80
  5. Step 5: Solve for x
    x = 155,946,321.80/18,193.31
  6. Step 6: Final answer
    x = 8,571.63

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Similar ratio
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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.