Home / 25,435.92-38,144.52-8,791.68

Finding the Fourth Proportional to 25,435.92, 38,144.52 and 8,791.68

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Solution

The fourth proportional to 25,435.92, 38,144.52 and 8,791.68 is: 13,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.92 : 38,144.52 = 8,791.68 : x
  2. Step 2: Convert to fraction form
    25,435.92/38,144.52 = 8,791.68/x
  3. Step 3: Cross multiply
    25,435.92x = 38,144.52 × 8,791.68
  4. Step 4: Simplify right side
    25,435.92x = 335,354,413.59
  5. Step 5: Solve for x
    x = 335,354,413.59/25,435.92
  6. Step 6: Final answer
    x = 13,184.28

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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.