Home / 17,051.52-25,553.17-12,831.97

Finding the Fourth Proportional to 17,051.52, 25,553.17 and 12,831.97

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Solution

The fourth proportional to 17,051.52, 25,553.17 and 12,831.97 is: 19,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,051.52 : 25,553.17 = 12,831.97 : x
  2. Step 2: Convert to fraction form
    17,051.52/25,553.17 = 12,831.97/x
  3. Step 3: Cross multiply
    17,051.52x = 25,553.17 × 12,831.97
  4. Step 4: Simplify right side
    17,051.52x = 327,897,510.84
  5. Step 5: Solve for x
    x = 327,897,510.84/17,051.52
  6. Step 6: Final answer
    x = 19,229.81

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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.