Home / 27,912.92-41,870.75-11,270.88

Finding the Fourth Proportional to 27,912.92, 41,870.75 and 11,270.88

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Solution

The fourth proportional to 27,912.92, 41,870.75 and 11,270.88 is: 16,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.92 : 41,870.75 = 11,270.88 : x
  2. Step 2: Convert to fraction form
    27,912.92/41,870.75 = 11,270.88/x
  3. Step 3: Cross multiply
    27,912.92x = 41,870.75 × 11,270.88
  4. Step 4: Simplify right side
    27,912.92x = 471,920,142.41
  5. Step 5: Solve for x
    x = 471,920,142.41/27,912.92
  6. Step 6: Final answer
    x = 16,906.87

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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.