Home / 19,906.68-27,471.88-10,954.84

Finding the Fourth Proportional to 19,906.68, 27,471.88 and 10,954.84

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Solution

The fourth proportional to 19,906.68, 27,471.88 and 10,954.84 is: 15,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.68 : 27,471.88 = 10,954.84 : x
  2. Step 2: Convert to fraction form
    19,906.68/27,471.88 = 10,954.84/x
  3. Step 3: Cross multiply
    19,906.68x = 27,471.88 × 10,954.84
  4. Step 4: Simplify right side
    19,906.68x = 300,950,049.90
  5. Step 5: Solve for x
    x = 300,950,049.90/19,906.68
  6. Step 6: Final answer
    x = 15,118.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.