Home / 22,422.69-30,936.33-13,472.19

Finding the Fourth Proportional to 22,422.69, 30,936.33 and 13,472.19

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Solution

The fourth proportional to 22,422.69, 30,936.33 and 13,472.19 is: 18,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.69 : 30,936.33 = 13,472.19 : x
  2. Step 2: Convert to fraction form
    22,422.69/30,936.33 = 13,472.19/x
  3. Step 3: Cross multiply
    22,422.69x = 30,936.33 × 13,472.19
  4. Step 4: Simplify right side
    22,422.69x = 416,780,115.66
  5. Step 5: Solve for x
    x = 416,780,115.66/22,422.69
  6. Step 6: Final answer
    x = 18,587.43

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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.