Home / 25,213.17-34,778.82-15,524.19

Finding the Fourth Proportional to 25,213.17, 34,778.82 and 15,524.19

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Solution

The fourth proportional to 25,213.17, 34,778.82 and 15,524.19 is: 21,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.17 : 34,778.82 = 15,524.19 : x
  2. Step 2: Convert to fraction form
    25,213.17/34,778.82 = 15,524.19/x
  3. Step 3: Cross multiply
    25,213.17x = 34,778.82 × 15,524.19
  4. Step 4: Simplify right side
    25,213.17x = 539,913,067.87
  5. Step 5: Solve for x
    x = 539,913,067.87/25,213.17
  6. Step 6: Final answer
    x = 21,413.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.