Home / 17,243.40-25,865.38-5,556.68

Finding the Fourth Proportional to 17,243.40, 25,865.38 and 5,556.68

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Solution

The fourth proportional to 17,243.40, 25,865.38 and 5,556.68 is: 8,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,243.40 : 25,865.38 = 5,556.68 : x
  2. Step 2: Convert to fraction form
    17,243.40/25,865.38 = 5,556.68/x
  3. Step 3: Cross multiply
    17,243.40x = 25,865.38 × 5,556.68
  4. Step 4: Simplify right side
    17,243.40x = 143,725,639.74
  5. Step 5: Solve for x
    x = 143,725,639.74/17,243.40
  6. Step 6: Final answer
    x = 8,335.11

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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.