Home / 13,067.65-19,600.31-4,747.74

Finding the Fourth Proportional to 13,067.65, 19,600.31 and 4,747.74

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Solution

The fourth proportional to 13,067.65, 19,600.31 and 4,747.74 is: 7,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.65 : 19,600.31 = 4,747.74 : x
  2. Step 2: Convert to fraction form
    13,067.65/19,600.31 = 4,747.74/x
  3. Step 3: Cross multiply
    13,067.65x = 19,600.31 × 4,747.74
  4. Step 4: Simplify right side
    13,067.65x = 93,057,175.80
  5. Step 5: Solve for x
    x = 93,057,175.80/13,067.65
  6. Step 6: Final answer
    x = 7,121.19

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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.