Home / 19,540.88-26,963.52-11,040.74

Finding the Fourth Proportional to 19,540.88, 26,963.52 and 11,040.74

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Solution

The fourth proportional to 19,540.88, 26,963.52 and 11,040.74 is: 15,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.88 : 26,963.52 = 11,040.74 : x
  2. Step 2: Convert to fraction form
    19,540.88/26,963.52 = 11,040.74/x
  3. Step 3: Cross multiply
    19,540.88x = 26,963.52 × 11,040.74
  4. Step 4: Simplify right side
    19,540.88x = 297,697,213.80
  5. Step 5: Solve for x
    x = 297,697,213.80/19,540.88
  6. Step 6: Final answer
    x = 15,234.59

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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.