Home / 19,757.09-29,638.35-8,067.57

Finding the Fourth Proportional to 19,757.09, 29,638.35 and 8,067.57

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Solution

The fourth proportional to 19,757.09, 29,638.35 and 8,067.57 is: 12,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.09 : 29,638.35 = 8,067.57 : x
  2. Step 2: Convert to fraction form
    19,757.09/29,638.35 = 8,067.57/x
  3. Step 3: Cross multiply
    19,757.09x = 29,638.35 × 8,067.57
  4. Step 4: Simplify right side
    19,757.09x = 239,109,463.31
  5. Step 5: Solve for x
    x = 239,109,463.31/19,757.09
  6. Step 6: Final answer
    x = 12,102.47

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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.