Home / 19,743.70-27,245.90-10,791.27

Finding the Fourth Proportional to 19,743.70, 27,245.90 and 10,791.27

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Solution

The fourth proportional to 19,743.70, 27,245.90 and 10,791.27 is: 14,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.70 : 27,245.90 = 10,791.27 : x
  2. Step 2: Convert to fraction form
    19,743.70/27,245.90 = 10,791.27/x
  3. Step 3: Cross multiply
    19,743.70x = 27,245.90 × 10,791.27
  4. Step 4: Simplify right side
    19,743.70x = 294,017,863.29
  5. Step 5: Solve for x
    x = 294,017,863.29/19,743.70
  6. Step 6: Final answer
    x = 14,891.73

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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.