Home / 19,167.90-28,754.54-8,067.66

Finding the Fourth Proportional to 19,167.90, 28,754.54 and 8,067.66

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Solution

The fourth proportional to 19,167.90, 28,754.54 and 8,067.66 is: 12,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.90 : 28,754.54 = 8,067.66 : x
  2. Step 2: Convert to fraction form
    19,167.90/28,754.54 = 8,067.66/x
  3. Step 3: Cross multiply
    19,167.90x = 28,754.54 × 8,067.66
  4. Step 4: Simplify right side
    19,167.90x = 231,981,852.18
  5. Step 5: Solve for x
    x = 231,981,852.18/19,167.90
  6. Step 6: Final answer
    x = 12,102.62

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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.