Home / 24,799.26-34,251.85-20,780.65

Finding the Fourth Proportional to 24,799.26, 34,251.85 and 20,780.65

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Solution

The fourth proportional to 24,799.26, 34,251.85 and 20,780.65 is: 28,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,799.26 : 34,251.85 = 20,780.65 : x
  2. Step 2: Convert to fraction form
    24,799.26/34,251.85 = 20,780.65/x
  3. Step 3: Cross multiply
    24,799.26x = 34,251.85 × 20,780.65
  4. Step 4: Simplify right side
    24,799.26x = 711,775,431.54
  5. Step 5: Solve for x
    x = 711,775,431.54/24,799.26
  6. Step 6: Final answer
    x = 28,701.48

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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.