Home / 22,793.07-31,425.20-18,689.75

Finding the Fourth Proportional to 22,793.07, 31,425.20 and 18,689.75

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Solution

The fourth proportional to 22,793.07, 31,425.20 and 18,689.75 is: 25,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.07 : 31,425.20 = 18,689.75 : x
  2. Step 2: Convert to fraction form
    22,793.07/31,425.20 = 18,689.75/x
  3. Step 3: Cross multiply
    22,793.07x = 31,425.20 × 18,689.75
  4. Step 4: Simplify right side
    22,793.07x = 587,329,116.81
  5. Step 5: Solve for x
    x = 587,329,116.81/22,793.07
  6. Step 6: Final answer
    x = 25,767.88

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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.