Home / 18,233.75-27,330.80-11,998.06

Finding the Fourth Proportional to 18,233.75, 27,330.80 and 11,998.06

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Solution

The fourth proportional to 18,233.75, 27,330.80 and 11,998.06 is: 17,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.75 : 27,330.80 = 11,998.06 : x
  2. Step 2: Convert to fraction form
    18,233.75/27,330.80 = 11,998.06/x
  3. Step 3: Cross multiply
    18,233.75x = 27,330.80 × 11,998.06
  4. Step 4: Simplify right side
    18,233.75x = 327,916,578.25
  5. Step 5: Solve for x
    x = 327,916,578.25/18,233.75
  6. Step 6: Final answer
    x = 17,984.04

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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.