Home / 17,221.79-25,831.75-5,534.09

Finding the Fourth Proportional to 17,221.79, 25,831.75 and 5,534.09

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Solution

The fourth proportional to 17,221.79, 25,831.75 and 5,534.09 is: 8,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.79 : 25,831.75 = 5,534.09 : x
  2. Step 2: Convert to fraction form
    17,221.79/25,831.75 = 5,534.09/x
  3. Step 3: Cross multiply
    17,221.79x = 25,831.75 × 5,534.09
  4. Step 4: Simplify right side
    17,221.79x = 142,955,229.36
  5. Step 5: Solve for x
    x = 142,955,229.36/17,221.79
  6. Step 6: Final answer
    x = 8,300.83

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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.