Home / 22,207.20-33,310.80-7,413.36

Finding the Fourth Proportional to 22,207.20, 33,310.80 and 7,413.36

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Solution

The fourth proportional to 22,207.20, 33,310.80 and 7,413.36 is: 11,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.20 : 33,310.80 = 7,413.36 : x
  2. Step 2: Convert to fraction form
    22,207.20/33,310.80 = 7,413.36/x
  3. Step 3: Cross multiply
    22,207.20x = 33,310.80 × 7,413.36
  4. Step 4: Simplify right side
    22,207.20x = 246,944,952.29
  5. Step 5: Solve for x
    x = 246,944,952.29/22,207.20
  6. Step 6: Final answer
    x = 11,120.04

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1.5x scale

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.