Home / 23,321.92-34,982.40-7,739.68

Finding the Fourth Proportional to 23,321.92, 34,982.40 and 7,739.68

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Solution

The fourth proportional to 23,321.92, 34,982.40 and 7,739.68 is: 11,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.92 : 34,982.40 = 7,739.68 : x
  2. Step 2: Convert to fraction form
    23,321.92/34,982.40 = 7,739.68/x
  3. Step 3: Cross multiply
    23,321.92x = 34,982.40 × 7,739.68
  4. Step 4: Simplify right side
    23,321.92x = 270,752,581.63
  5. Step 5: Solve for x
    x = 270,752,581.63/23,321.92
  6. Step 6: Final answer
    x = 11,609.36

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1.5x scale

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.