Home / 25,740.14-38,610.88-8,872.97

Finding the Fourth Proportional to 25,740.14, 38,610.88 and 8,872.97

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Solution

The fourth proportional to 25,740.14, 38,610.88 and 8,872.97 is: 13,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.14 : 38,610.88 = 8,872.97 : x
  2. Step 2: Convert to fraction form
    25,740.14/38,610.88 = 8,872.97/x
  3. Step 3: Cross multiply
    25,740.14x = 38,610.88 × 8,872.97
  4. Step 4: Simplify right side
    25,740.14x = 342,592,964.68
  5. Step 5: Solve for x
    x = 342,592,964.68/25,740.14
  6. Step 6: Final answer
    x = 13,309.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.