Home / 25,662.07-38,494.19-8,131.51

Finding the Fourth Proportional to 25,662.07, 38,494.19 and 8,131.51

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Solution

The fourth proportional to 25,662.07, 38,494.19 and 8,131.51 is: 12,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.07 : 38,494.19 = 8,131.51 : x
  2. Step 2: Convert to fraction form
    25,662.07/38,494.19 = 8,131.51/x
  3. Step 3: Cross multiply
    25,662.07x = 38,494.19 × 8,131.51
  4. Step 4: Simplify right side
    25,662.07x = 313,015,890.93
  5. Step 5: Solve for x
    x = 313,015,890.93/25,662.07
  6. Step 6: Final answer
    x = 12,197.61

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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.