Home / 17,272.97-23,835.71-9,719.61

Finding the Fourth Proportional to 17,272.97, 23,835.71 and 9,719.61

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Solution

The fourth proportional to 17,272.97, 23,835.71 and 9,719.61 is: 13,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.97 : 23,835.71 = 9,719.61 : x
  2. Step 2: Convert to fraction form
    17,272.97/23,835.71 = 9,719.61/x
  3. Step 3: Cross multiply
    17,272.97x = 23,835.71 × 9,719.61
  4. Step 4: Simplify right side
    17,272.97x = 231,673,756.68
  5. Step 5: Solve for x
    x = 231,673,756.68/17,272.97
  6. Step 6: Final answer
    x = 13,412.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.