Home / 22,306.32-30,769.92-12,873.12

Finding the Fourth Proportional to 22,306.32, 30,769.92 and 12,873.12

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Solution

The fourth proportional to 22,306.32, 30,769.92 and 12,873.12 is: 17,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.32 : 30,769.92 = 12,873.12 : x
  2. Step 2: Convert to fraction form
    22,306.32/30,769.92 = 12,873.12/x
  3. Step 3: Cross multiply
    22,306.32x = 30,769.92 × 12,873.12
  4. Step 4: Simplify right side
    22,306.32x = 396,104,872.55
  5. Step 5: Solve for x
    x = 396,104,872.55/22,306.32
  6. Step 6: Final answer
    x = 17,757.52

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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.