Home / 19,682.82-27,163.89-11,299.86

Finding the Fourth Proportional to 19,682.82, 27,163.89 and 11,299.86

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Solution

The fourth proportional to 19,682.82, 27,163.89 and 11,299.86 is: 15,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.82 : 27,163.89 = 11,299.86 : x
  2. Step 2: Convert to fraction form
    19,682.82/27,163.89 = 11,299.86/x
  3. Step 3: Cross multiply
    19,682.82x = 27,163.89 × 11,299.86
  4. Step 4: Simplify right side
    19,682.82x = 306,948,154.06
  5. Step 5: Solve for x
    x = 306,948,154.06/19,682.82
  6. Step 6: Final answer
    x = 15,594.72

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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.