Home / 25,511.43-38,269.73-6,791.47

Finding the Fourth Proportional to 25,511.43, 38,269.73 and 6,791.47

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Solution

The fourth proportional to 25,511.43, 38,269.73 and 6,791.47 is: 10,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.43 : 38,269.73 = 6,791.47 : x
  2. Step 2: Convert to fraction form
    25,511.43/38,269.73 = 6,791.47/x
  3. Step 3: Cross multiply
    25,511.43x = 38,269.73 × 6,791.47
  4. Step 4: Simplify right side
    25,511.43x = 259,907,723.20
  5. Step 5: Solve for x
    x = 259,907,723.20/25,511.43
  6. Step 6: Final answer
    x = 10,187.89

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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.