Home / 26,481.89-39,722.80-6,760.45

Finding the Fourth Proportional to 26,481.89, 39,722.80 and 6,760.45

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Solution

The fourth proportional to 26,481.89, 39,722.80 and 6,760.45 is: 10,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.89 : 39,722.80 = 6,760.45 : x
  2. Step 2: Convert to fraction form
    26,481.89/39,722.80 = 6,760.45/x
  3. Step 3: Cross multiply
    26,481.89x = 39,722.80 × 6,760.45
  4. Step 4: Simplify right side
    26,481.89x = 268,544,003.26
  5. Step 5: Solve for x
    x = 268,544,003.26/26,481.89
  6. Step 6: Final answer
    x = 10,140.67

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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.