Home / 18,471.14-27,712.85-5,991.56

Finding the Fourth Proportional to 18,471.14, 27,712.85 and 5,991.56

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Solution

The fourth proportional to 18,471.14, 27,712.85 and 5,991.56 is: 8,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.14 : 27,712.85 = 5,991.56 : x
  2. Step 2: Convert to fraction form
    18,471.14/27,712.85 = 5,991.56/x
  3. Step 3: Cross multiply
    18,471.14x = 27,712.85 × 5,991.56
  4. Step 4: Simplify right side
    18,471.14x = 166,043,173.59
  5. Step 5: Solve for x
    x = 166,043,173.59/18,471.14
  6. Step 6: Final answer
    x = 8,989.33

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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.