Home / 27,508.21-41,257.43-12,511.82

Finding the Fourth Proportional to 27,508.21, 41,257.43 and 12,511.82

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Solution

The fourth proportional to 27,508.21, 41,257.43 and 12,511.82 is: 18,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.21 : 41,257.43 = 12,511.82 : x
  2. Step 2: Convert to fraction form
    27,508.21/41,257.43 = 12,511.82/x
  3. Step 3: Cross multiply
    27,508.21x = 41,257.43 × 12,511.82
  4. Step 4: Simplify right side
    27,508.21x = 516,205,537.82
  5. Step 5: Solve for x
    x = 516,205,537.82/27,508.21
  6. Step 6: Final answer
    x = 18,765.51

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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.