Home / 20,714.40-31,067.24-6,675.66

Finding the Fourth Proportional to 20,714.40, 31,067.24 and 6,675.66

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Solution

The fourth proportional to 20,714.40, 31,067.24 and 6,675.66 is: 10,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.40 : 31,067.24 = 6,675.66 : x
  2. Step 2: Convert to fraction form
    20,714.40/31,067.24 = 6,675.66/x
  3. Step 3: Cross multiply
    20,714.40x = 31,067.24 × 6,675.66
  4. Step 4: Simplify right side
    20,714.40x = 207,394,298.00
  5. Step 5: Solve for x
    x = 207,394,298.00/20,714.40
  6. Step 6: Final answer
    x = 10,012.08

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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.