Home / 22,434.91-30,959.19-12,867.97

Finding the Fourth Proportional to 22,434.91, 30,959.19 and 12,867.97

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Solution

The fourth proportional to 22,434.91, 30,959.19 and 12,867.97 is: 17,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.91 : 30,959.19 = 12,867.97 : x
  2. Step 2: Convert to fraction form
    22,434.91/30,959.19 = 12,867.97/x
  3. Step 3: Cross multiply
    22,434.91x = 30,959.19 × 12,867.97
  4. Step 4: Simplify right side
    22,434.91x = 398,381,928.14
  5. Step 5: Solve for x
    x = 398,381,928.14/22,434.91
  6. Step 6: Final answer
    x = 17,757.23

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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.