Home / 19,540.75-26,965.88-11,042.69

Finding the Fourth Proportional to 19,540.75, 26,965.88 and 11,042.69

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Solution

The fourth proportional to 19,540.75, 26,965.88 and 11,042.69 is: 15,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.75 : 26,965.88 = 11,042.69 : x
  2. Step 2: Convert to fraction form
    19,540.75/26,965.88 = 11,042.69/x
  3. Step 3: Cross multiply
    19,540.75x = 26,965.88 × 11,042.69
  4. Step 4: Simplify right side
    19,540.75x = 297,775,853.42
  5. Step 5: Solve for x
    x = 297,775,853.42/19,540.75
  6. Step 6: Final answer
    x = 15,238.71

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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.