Home / 20,244.26-27,937.12-11,169.42

Finding the Fourth Proportional to 20,244.26, 27,937.12 and 11,169.42

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Solution

The fourth proportional to 20,244.26, 27,937.12 and 11,169.42 is: 15,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.26 : 27,937.12 = 11,169.42 : x
  2. Step 2: Convert to fraction form
    20,244.26/27,937.12 = 11,169.42/x
  3. Step 3: Cross multiply
    20,244.26x = 27,937.12 × 11,169.42
  4. Step 4: Simplify right side
    20,244.26x = 312,041,426.87
  5. Step 5: Solve for x
    x = 312,041,426.87/20,244.26
  6. Step 6: Final answer
    x = 15,413.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.