Home / 26,499.58-39,749.20-6,778.10

Finding the Fourth Proportional to 26,499.58, 39,749.20 and 6,778.10

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Solution

The fourth proportional to 26,499.58, 39,749.20 and 6,778.10 is: 10,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.58 : 39,749.20 = 6,778.10 : x
  2. Step 2: Convert to fraction form
    26,499.58/39,749.20 = 6,778.10/x
  3. Step 3: Cross multiply
    26,499.58x = 39,749.20 × 6,778.10
  4. Step 4: Simplify right side
    26,499.58x = 269,424,052.52
  5. Step 5: Solve for x
    x = 269,424,052.52/26,499.58
  6. Step 6: Final answer
    x = 10,167.11

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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.