Home / 17,015.27-25,512.98-12,531.92

Finding the Fourth Proportional to 17,015.27, 25,512.98 and 12,531.92

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Solution

The fourth proportional to 17,015.27, 25,512.98 and 12,531.92 is: 18,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.27 : 25,512.98 = 12,531.92 : x
  2. Step 2: Convert to fraction form
    17,015.27/25,512.98 = 12,531.92/x
  3. Step 3: Cross multiply
    17,015.27x = 25,512.98 × 12,531.92
  4. Step 4: Simplify right side
    17,015.27x = 319,726,434.10
  5. Step 5: Solve for x
    x = 319,726,434.10/17,015.27
  6. Step 6: Final answer
    x = 18,790.56

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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.