Home / 27,251.20-40,886.88-11,680.96

Finding the Fourth Proportional to 27,251.20, 40,886.88 and 11,680.96

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Solution

The fourth proportional to 27,251.20, 40,886.88 and 11,680.96 is: 17,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.20 : 40,886.88 = 11,680.96 : x
  2. Step 2: Convert to fraction form
    27,251.20/40,886.88 = 11,680.96/x
  3. Step 3: Cross multiply
    27,251.20x = 40,886.88 × 11,680.96
  4. Step 4: Simplify right side
    27,251.20x = 477,598,009.80
  5. Step 5: Solve for x
    x = 477,598,009.80/27,251.20
  6. Step 6: Final answer
    x = 17,525.76

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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.