Home / 27,742.20-41,618.88-10,212.12

Finding the Fourth Proportional to 27,742.20, 41,618.88 and 10,212.12

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Solution

The fourth proportional to 27,742.20, 41,618.88 and 10,212.12 is: 15,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.20 : 41,618.88 = 10,212.12 : x
  2. Step 2: Convert to fraction form
    27,742.20/41,618.88 = 10,212.12/x
  3. Step 3: Cross multiply
    27,742.20x = 41,618.88 × 10,212.12
  4. Step 4: Simplify right side
    27,742.20x = 425,016,996.83
  5. Step 5: Solve for x
    x = 425,016,996.83/27,742.20
  6. Step 6: Final answer
    x = 15,320.23

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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.