Home / 18,249.75-25,188.32-10,292.13

Finding the Fourth Proportional to 18,249.75, 25,188.32 and 10,292.13

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Solution

The fourth proportional to 18,249.75, 25,188.32 and 10,292.13 is: 14,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.75 : 25,188.32 = 10,292.13 : x
  2. Step 2: Convert to fraction form
    18,249.75/25,188.32 = 10,292.13/x
  3. Step 3: Cross multiply
    18,249.75x = 25,188.32 × 10,292.13
  4. Step 4: Simplify right side
    18,249.75x = 259,241,489.65
  5. Step 5: Solve for x
    x = 259,241,489.65/18,249.75
  6. Step 6: Final answer
    x = 14,205.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.