Home / 18,166.24-27,249.32-5,018.57

Finding the Fourth Proportional to 18,166.24, 27,249.32 and 5,018.57

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Solution

The fourth proportional to 18,166.24, 27,249.32 and 5,018.57 is: 7,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.24 : 27,249.32 = 5,018.57 : x
  2. Step 2: Convert to fraction form
    18,166.24/27,249.32 = 5,018.57/x
  3. Step 3: Cross multiply
    18,166.24x = 27,249.32 × 5,018.57
  4. Step 4: Simplify right side
    18,166.24x = 136,752,619.87
  5. Step 5: Solve for x
    x = 136,752,619.87/18,166.24
  6. Step 6: Final answer
    x = 7,527.84

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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.