Home / 16,393.80-22,593.42-11,909.70

Finding the Fourth Proportional to 16,393.80, 22,593.42 and 11,909.70

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Solution

The fourth proportional to 16,393.80, 22,593.42 and 11,909.70 is: 16,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,393.80 : 22,593.42 = 11,909.70 : x
  2. Step 2: Convert to fraction form
    16,393.80/22,593.42 = 11,909.70/x
  3. Step 3: Cross multiply
    16,393.80x = 22,593.42 × 11,909.70
  4. Step 4: Simplify right side
    16,393.80x = 269,080,854.17
  5. Step 5: Solve for x
    x = 269,080,854.17/16,393.80
  6. Step 6: Final answer
    x = 16,413.57

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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.