Home / 20,714.67-31,067.66-6,675.96

Finding the Fourth Proportional to 20,714.67, 31,067.66 and 6,675.96

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Solution

The fourth proportional to 20,714.67, 31,067.66 and 6,675.96 is: 10,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.67 : 31,067.66 = 6,675.96 : x
  2. Step 2: Convert to fraction form
    20,714.67/31,067.66 = 6,675.96/x
  3. Step 3: Cross multiply
    20,714.67x = 31,067.66 × 6,675.96
  4. Step 4: Simplify right side
    20,714.67x = 207,406,422.07
  5. Step 5: Solve for x
    x = 207,406,422.07/20,714.67
  6. Step 6: Final answer
    x = 10,012.54

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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.