Home / 27,621.20-41,446.20-12,040.40

Finding the Fourth Proportional to 27,621.20, 41,446.20 and 12,040.40

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Solution

The fourth proportional to 27,621.20, 41,446.20 and 12,040.40 is: 18,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.20 : 41,446.20 = 12,040.40 : x
  2. Step 2: Convert to fraction form
    27,621.20/41,446.20 = 12,040.40/x
  3. Step 3: Cross multiply
    27,621.20x = 41,446.20 × 12,040.40
  4. Step 4: Simplify right side
    27,621.20x = 499,028,826.48
  5. Step 5: Solve for x
    x = 499,028,826.48/27,621.20
  6. Step 6: Final answer
    x = 18,066.88

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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.