Home / 20,714.38-31,076.61-6,674.47

Finding the Fourth Proportional to 20,714.38, 31,076.61 and 6,674.47

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Solution

The fourth proportional to 20,714.38, 31,076.61 and 6,674.47 is: 10,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.38 : 31,076.61 = 6,674.47 : x
  2. Step 2: Convert to fraction form
    20,714.38/31,076.61 = 6,674.47/x
  3. Step 3: Cross multiply
    20,714.38x = 31,076.61 × 6,674.47
  4. Step 4: Simplify right side
    20,714.38x = 207,419,901.15
  5. Step 5: Solve for x
    x = 207,419,901.15/20,714.38
  6. Step 6: Final answer
    x = 10,013.33

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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.