Home / 20,882.88-31,324.52-16,717.46

Finding the Fourth Proportional to 20,882.88, 31,324.52 and 16,717.46

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Solution

The fourth proportional to 20,882.88, 31,324.52 and 16,717.46 is: 25,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882.88 : 31,324.52 = 16,717.46 : x
  2. Step 2: Convert to fraction form
    20,882.88/31,324.52 = 16,717.46/x
  3. Step 3: Cross multiply
    20,882.88x = 31,324.52 × 16,717.46
  4. Step 4: Simplify right side
    20,882.88x = 523,666,295.29
  5. Step 5: Solve for x
    x = 523,666,295.29/20,882.88
  6. Step 6: Final answer
    x = 25,076.34

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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.