Home / 19,540.76-26,965.62-11,043.20

Finding the Fourth Proportional to 19,540.76, 26,965.62 and 11,043.20

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Solution

The fourth proportional to 19,540.76, 26,965.62 and 11,043.20 is: 15,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.76 : 26,965.62 = 11,043.20 : x
  2. Step 2: Convert to fraction form
    19,540.76/26,965.62 = 11,043.20/x
  3. Step 3: Cross multiply
    19,540.76x = 26,965.62 × 11,043.20
  4. Step 4: Simplify right side
    19,540.76x = 297,786,734.78
  5. Step 5: Solve for x
    x = 297,786,734.78/19,540.76
  6. Step 6: Final answer
    x = 15,239.26

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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.