Home / 18,067.72-27,106.44-6,379.48

Finding the Fourth Proportional to 18,067.72, 27,106.44 and 6,379.48

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Solution

The fourth proportional to 18,067.72, 27,106.44 and 6,379.48 is: 9,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.72 : 27,106.44 = 6,379.48 : x
  2. Step 2: Convert to fraction form
    18,067.72/27,106.44 = 6,379.48/x
  3. Step 3: Cross multiply
    18,067.72x = 27,106.44 × 6,379.48
  4. Step 4: Simplify right side
    18,067.72x = 172,924,991.85
  5. Step 5: Solve for x
    x = 172,924,991.85/18,067.72
  6. Step 6: Final answer
    x = 9,570.94

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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.