Home / 19,724.60-27,217.50-11,227.82

Finding the Fourth Proportional to 19,724.60, 27,217.50 and 11,227.82

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Solution

The fourth proportional to 19,724.60, 27,217.50 and 11,227.82 is: 15,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.60 : 27,217.50 = 11,227.82 : x
  2. Step 2: Convert to fraction form
    19,724.60/27,217.50 = 11,227.82/x
  3. Step 3: Cross multiply
    19,724.60x = 27,217.50 × 11,227.82
  4. Step 4: Simplify right side
    19,724.60x = 305,593,190.85
  5. Step 5: Solve for x
    x = 305,593,190.85/19,724.60
  6. Step 6: Final answer
    x = 15,493.00

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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.