Home / 18,273.44-27,249.68-18,107.12

Finding the Fourth Proportional to 18,273.44, 27,249.68 and 18,107.12

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Solution

The fourth proportional to 18,273.44, 27,249.68 and 18,107.12 is: 27,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.44 : 27,249.68 = 18,107.12 : x
  2. Step 2: Convert to fraction form
    18,273.44/27,249.68 = 18,107.12/x
  3. Step 3: Cross multiply
    18,273.44x = 27,249.68 × 18,107.12
  4. Step 4: Simplify right side
    18,273.44x = 493,413,225.72
  5. Step 5: Solve for x
    x = 493,413,225.72/18,273.44
  6. Step 6: Final answer
    x = 27,001.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.