Home / 22,233.97-30,683.37-13,279.80

Finding the Fourth Proportional to 22,233.97, 30,683.37 and 13,279.80

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Solution

The fourth proportional to 22,233.97, 30,683.37 and 13,279.80 is: 18,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,233.97 : 30,683.37 = 13,279.80 : x
  2. Step 2: Convert to fraction form
    22,233.97/30,683.37 = 13,279.80/x
  3. Step 3: Cross multiply
    22,233.97x = 30,683.37 × 13,279.80
  4. Step 4: Simplify right side
    22,233.97x = 407,469,016.93
  5. Step 5: Solve for x
    x = 407,469,016.93/22,233.97
  6. Step 6: Final answer
    x = 18,326.42

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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.