Home / 26,540.15-39,822.51-13,377.14

Finding the Fourth Proportional to 26,540.15, 39,822.51 and 13,377.14

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Solution

The fourth proportional to 26,540.15, 39,822.51 and 13,377.14 is: 20,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.15 : 39,822.51 = 13,377.14 : x
  2. Step 2: Convert to fraction form
    26,540.15/39,822.51 = 13,377.14/x
  3. Step 3: Cross multiply
    26,540.15x = 39,822.51 × 13,377.14
  4. Step 4: Simplify right side
    26,540.15x = 532,711,291.42
  5. Step 5: Solve for x
    x = 532,711,291.42/26,540.15
  6. Step 6: Final answer
    x = 20,071.90

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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.