Home / 17,143.47-25,673.67-11,863.68

Finding the Fourth Proportional to 17,143.47, 25,673.67 and 11,863.68

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Solution

The fourth proportional to 17,143.47, 25,673.67 and 11,863.68 is: 17,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.47 : 25,673.67 = 11,863.68 : x
  2. Step 2: Convert to fraction form
    17,143.47/25,673.67 = 11,863.68/x
  3. Step 3: Cross multiply
    17,143.47x = 25,673.67 × 11,863.68
  4. Step 4: Simplify right side
    17,143.47x = 304,584,205.31
  5. Step 5: Solve for x
    x = 304,584,205.31/17,143.47
  6. Step 6: Final answer
    x = 17,766.78

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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.