Home / 18,187.26-27,241.36-11,146.03

Finding the Fourth Proportional to 18,187.26, 27,241.36 and 11,146.03

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Solution

The fourth proportional to 18,187.26, 27,241.36 and 11,146.03 is: 16,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.26 : 27,241.36 = 11,146.03 : x
  2. Step 2: Convert to fraction form
    18,187.26/27,241.36 = 11,146.03/x
  3. Step 3: Cross multiply
    18,187.26x = 27,241.36 × 11,146.03
  4. Step 4: Simplify right side
    18,187.26x = 303,633,059.15
  5. Step 5: Solve for x
    x = 303,633,059.15/18,187.26
  6. Step 6: Final answer
    x = 16,694.82

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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.