Home / 26,576.48-39,871.26-7,856.42

Finding the Fourth Proportional to 26,576.48, 39,871.26 and 7,856.42

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Solution

The fourth proportional to 26,576.48, 39,871.26 and 7,856.42 is: 11,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576.48 : 39,871.26 = 7,856.42 : x
  2. Step 2: Convert to fraction form
    26,576.48/39,871.26 = 7,856.42/x
  3. Step 3: Cross multiply
    26,576.48x = 39,871.26 × 7,856.42
  4. Step 4: Simplify right side
    26,576.48x = 313,245,364.49
  5. Step 5: Solve for x
    x = 313,245,364.49/26,576.48
  6. Step 6: Final answer
    x = 11,786.56

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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.