Home / 26,469.35-39,710.19-7,749.69

Finding the Fourth Proportional to 26,469.35, 39,710.19 and 7,749.69

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Solution

The fourth proportional to 26,469.35, 39,710.19 and 7,749.69 is: 11,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.35 : 39,710.19 = 7,749.69 : x
  2. Step 2: Convert to fraction form
    26,469.35/39,710.19 = 7,749.69/x
  3. Step 3: Cross multiply
    26,469.35x = 39,710.19 × 7,749.69
  4. Step 4: Simplify right side
    26,469.35x = 307,741,662.34
  5. Step 5: Solve for x
    x = 307,741,662.34/26,469.35
  6. Step 6: Final answer
    x = 11,626.34

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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.