Home / 19,538.75-26,963.12-11,040.69

Finding the Fourth Proportional to 19,538.75, 26,963.12 and 11,040.69

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Solution

The fourth proportional to 19,538.75, 26,963.12 and 11,040.69 is: 15,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.75 : 26,963.12 = 11,040.69 : x
  2. Step 2: Convert to fraction form
    19,538.75/26,963.12 = 11,040.69/x
  3. Step 3: Cross multiply
    19,538.75x = 26,963.12 × 11,040.69
  4. Step 4: Simplify right side
    19,538.75x = 297,691,405.70
  5. Step 5: Solve for x
    x = 297,691,405.70/19,538.75
  6. Step 6: Final answer
    x = 15,235.95

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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.