Home / 26,186.95-39,203.25-17,285.86

Finding the Fourth Proportional to 26,186.95, 39,203.25 and 17,285.86

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Solution

The fourth proportional to 26,186.95, 39,203.25 and 17,285.86 is: 25,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.95 : 39,203.25 = 17,285.86 : x
  2. Step 2: Convert to fraction form
    26,186.95/39,203.25 = 17,285.86/x
  3. Step 3: Cross multiply
    26,186.95x = 39,203.25 × 17,285.86
  4. Step 4: Simplify right side
    26,186.95x = 677,661,891.05
  5. Step 5: Solve for x
    x = 677,661,891.05/26,186.95
  6. Step 6: Final answer
    x = 25,877.85

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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.