Home / 18,232.75-27,329.30-11,997.06

Finding the Fourth Proportional to 18,232.75, 27,329.30 and 11,997.06

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Solution

The fourth proportional to 18,232.75, 27,329.30 and 11,997.06 is: 17,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.75 : 27,329.30 = 11,997.06 : x
  2. Step 2: Convert to fraction form
    18,232.75/27,329.30 = 11,997.06/x
  3. Step 3: Cross multiply
    18,232.75x = 27,329.30 × 11,997.06
  4. Step 4: Simplify right side
    18,232.75x = 327,871,288.10
  5. Step 5: Solve for x
    x = 327,871,288.10/18,232.75
  6. Step 6: Final answer
    x = 17,982.55

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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.