Home / 21,625.56-29,844.45-12,067.56

Finding the Fourth Proportional to 21,625.56, 29,844.45 and 12,067.56

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Solution

The fourth proportional to 21,625.56, 29,844.45 and 12,067.56 is: 16,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.56 : 29,844.45 = 12,067.56 : x
  2. Step 2: Convert to fraction form
    21,625.56/29,844.45 = 12,067.56/x
  3. Step 3: Cross multiply
    21,625.56x = 29,844.45 × 12,067.56
  4. Step 4: Simplify right side
    21,625.56x = 360,149,691.04
  5. Step 5: Solve for x
    x = 360,149,691.04/21,625.56
  6. Step 6: Final answer
    x = 16,653.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.