Home / 18,249.30-27,405.54-17,418.24

Finding the Fourth Proportional to 18,249.30, 27,405.54 and 17,418.24

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Solution

The fourth proportional to 18,249.30, 27,405.54 and 17,418.24 is: 26,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.30 : 27,405.54 = 17,418.24 : x
  2. Step 2: Convert to fraction form
    18,249.30/27,405.54 = 17,418.24/x
  3. Step 3: Cross multiply
    18,249.30x = 27,405.54 × 17,418.24
  4. Step 4: Simplify right side
    18,249.30x = 477,356,273.05
  5. Step 5: Solve for x
    x = 477,356,273.05/18,249.30
  6. Step 6: Final answer
    x = 26,157.51

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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.