Home / 19,836.82-27,374.25-10,761.78

Finding the Fourth Proportional to 19,836.82, 27,374.25 and 10,761.78

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Solution

The fourth proportional to 19,836.82, 27,374.25 and 10,761.78 is: 14,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.82 : 27,374.25 = 10,761.78 : x
  2. Step 2: Convert to fraction form
    19,836.82/27,374.25 = 10,761.78/x
  3. Step 3: Cross multiply
    19,836.82x = 27,374.25 × 10,761.78
  4. Step 4: Simplify right side
    19,836.82x = 294,595,656.17
  5. Step 5: Solve for x
    x = 294,595,656.17/19,836.82
  6. Step 6: Final answer
    x = 14,850.95

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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.