Home / 26,645.30-39,992.50-13,506.86

Finding the Fourth Proportional to 26,645.30, 39,992.50 and 13,506.86

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Solution

The fourth proportional to 26,645.30, 39,992.50 and 13,506.86 is: 20,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.30 : 39,992.50 = 13,506.86 : x
  2. Step 2: Convert to fraction form
    26,645.30/39,992.50 = 13,506.86/x
  3. Step 3: Cross multiply
    26,645.30x = 39,992.50 × 13,506.86
  4. Step 4: Simplify right side
    26,645.30x = 540,173,098.55
  5. Step 5: Solve for x
    x = 540,173,098.55/26,645.30
  6. Step 6: Final answer
    x = 20,272.73

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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.