Home / 25,456.11-38,168.82-11,413.60

Finding the Fourth Proportional to 25,456.11, 38,168.82 and 11,413.60

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Solution

The fourth proportional to 25,456.11, 38,168.82 and 11,413.60 is: 17,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.11 : 38,168.82 = 11,413.60 : x
  2. Step 2: Convert to fraction form
    25,456.11/38,168.82 = 11,413.60/x
  3. Step 3: Cross multiply
    25,456.11x = 38,168.82 × 11,413.60
  4. Step 4: Simplify right side
    25,456.11x = 435,643,643.95
  5. Step 5: Solve for x
    x = 435,643,643.95/25,456.11
  6. Step 6: Final answer
    x = 17,113.52

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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.