Home / 26,451.35-39,687.35-11,649.86

Finding the Fourth Proportional to 26,451.35, 39,687.35 and 11,649.86

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Solution

The fourth proportional to 26,451.35, 39,687.35 and 11,649.86 is: 17,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.35 : 39,687.35 = 11,649.86 : x
  2. Step 2: Convert to fraction form
    26,451.35/39,687.35 = 11,649.86/x
  3. Step 3: Cross multiply
    26,451.35x = 39,687.35 × 11,649.86
  4. Step 4: Simplify right side
    26,451.35x = 462,351,814.58
  5. Step 5: Solve for x
    x = 462,351,814.58/26,451.35
  6. Step 6: Final answer
    x = 17,479.33

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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.