Home / 14,963.80-22,413.30-9,131.80

Finding the Fourth Proportional to 14,963.80, 22,413.30 and 9,131.80

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Solution

The fourth proportional to 14,963.80, 22,413.30 and 9,131.80 is: 13,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.80 : 22,413.30 = 9,131.80 : x
  2. Step 2: Convert to fraction form
    14,963.80/22,413.30 = 9,131.80/x
  3. Step 3: Cross multiply
    14,963.80x = 22,413.30 × 9,131.80
  4. Step 4: Simplify right side
    14,963.80x = 204,673,772.94
  5. Step 5: Solve for x
    x = 204,673,772.94/14,963.80
  6. Step 6: Final answer
    x = 13,677.93

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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.