Home / 26,198.51-39,285.69-8,425.87

Finding the Fourth Proportional to 26,198.51, 39,285.69 and 8,425.87

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Solution

The fourth proportional to 26,198.51, 39,285.69 and 8,425.87 is: 12,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.51 : 39,285.69 = 8,425.87 : x
  2. Step 2: Convert to fraction form
    26,198.51/39,285.69 = 8,425.87/x
  3. Step 3: Cross multiply
    26,198.51x = 39,285.69 × 8,425.87
  4. Step 4: Simplify right side
    26,198.51x = 331,016,255.37
  5. Step 5: Solve for x
    x = 331,016,255.37/26,198.51
  6. Step 6: Final answer
    x = 12,634.93

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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.