Home / 15,172.74-22,759.30-6,413.82

Finding the Fourth Proportional to 15,172.74, 22,759.30 and 6,413.82

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Solution

The fourth proportional to 15,172.74, 22,759.30 and 6,413.82 is: 9,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.74 : 22,759.30 = 6,413.82 : x
  2. Step 2: Convert to fraction form
    15,172.74/22,759.30 = 6,413.82/x
  3. Step 3: Cross multiply
    15,172.74x = 22,759.30 × 6,413.82
  4. Step 4: Simplify right side
    15,172.74x = 145,974,053.53
  5. Step 5: Solve for x
    x = 145,974,053.53/15,172.74
  6. Step 6: Final answer
    x = 9,620.81

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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.