Home / 12,021.03-18,029.12-10,067.31

Finding the Fourth Proportional to 12,021.03, 18,029.12 and 10,067.31

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Solution

The fourth proportional to 12,021.03, 18,029.12 and 10,067.31 is: 15,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.03 : 18,029.12 = 10,067.31 : x
  2. Step 2: Convert to fraction form
    12,021.03/18,029.12 = 10,067.31/x
  3. Step 3: Cross multiply
    12,021.03x = 18,029.12 × 10,067.31
  4. Step 4: Simplify right side
    12,021.03x = 181,504,689.73
  5. Step 5: Solve for x
    x = 181,504,689.73/12,021.03
  6. Step 6: Final answer
    x = 15,098.93

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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.