Home / 18,067.91-27,102.56-5,586.81

Finding the Fourth Proportional to 18,067.91, 27,102.56 and 5,586.81

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Solution

The fourth proportional to 18,067.91, 27,102.56 and 5,586.81 is: 8,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.91 : 27,102.56 = 5,586.81 : x
  2. Step 2: Convert to fraction form
    18,067.91/27,102.56 = 5,586.81/x
  3. Step 3: Cross multiply
    18,067.91x = 27,102.56 × 5,586.81
  4. Step 4: Simplify right side
    18,067.91x = 151,416,853.23
  5. Step 5: Solve for x
    x = 151,416,853.23/18,067.91
  6. Step 6: Final answer
    x = 8,380.43

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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.