Home / 22,785.30-34,198.20-13,413.60

Finding the Fourth Proportional to 22,785.30, 34,198.20 and 13,413.60

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Solution

The fourth proportional to 22,785.30, 34,198.20 and 13,413.60 is: 20,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.30 : 34,198.20 = 13,413.60 : x
  2. Step 2: Convert to fraction form
    22,785.30/34,198.20 = 13,413.60/x
  3. Step 3: Cross multiply
    22,785.30x = 34,198.20 × 13,413.60
  4. Step 4: Simplify right side
    22,785.30x = 458,720,975.52
  5. Step 5: Solve for x
    x = 458,720,975.52/22,785.30
  6. Step 6: Final answer
    x = 20,132.32

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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.