Home / 26,748.16-40,063.92-12,868

Finding the Fourth Proportional to 26,748.16, 40,063.92 and 12,868

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Solution

The fourth proportional to 26,748.16, 40,063.92 and 12,868 is: 19,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.16 : 40,063.92 = 12,868 : x
  2. Step 2: Convert to fraction form
    26,748.16/40,063.92 = 12,868/x
  3. Step 3: Cross multiply
    26,748.16x = 40,063.92 × 12,868
  4. Step 4: Simplify right side
    26,748.16x = 515,542,522.56
  5. Step 5: Solve for x
    x = 515,542,522.56/26,748.16
  6. Step 6: Final answer
    x = 19,273.94

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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.