Home / 13,793.20-19,034.38-7,826.06

Finding the Fourth Proportional to 13,793.20, 19,034.38 and 7,826.06

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Solution

The fourth proportional to 13,793.20, 19,034.38 and 7,826.06 is: 10,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.20 : 19,034.38 = 7,826.06 : x
  2. Step 2: Convert to fraction form
    13,793.20/19,034.38 = 7,826.06/x
  3. Step 3: Cross multiply
    13,793.20x = 19,034.38 × 7,826.06
  4. Step 4: Simplify right side
    13,793.20x = 148,964,199.94
  5. Step 5: Solve for x
    x = 148,964,199.94/13,793.20
  6. Step 6: Final answer
    x = 10,799.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.