Home / 17,195.75-25,760.41-12,684.86

Finding the Fourth Proportional to 17,195.75, 25,760.41 and 12,684.86

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Solution

The fourth proportional to 17,195.75, 25,760.41 and 12,684.86 is: 19,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.75 : 25,760.41 = 12,684.86 : x
  2. Step 2: Convert to fraction form
    17,195.75/25,760.41 = 12,684.86/x
  3. Step 3: Cross multiply
    17,195.75x = 25,760.41 × 12,684.86
  4. Step 4: Simplify right side
    17,195.75x = 326,767,194.39
  5. Step 5: Solve for x
    x = 326,767,194.39/17,195.75
  6. Step 6: Final answer
    x = 19,002.79

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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.