Home / 19,986.35-27,581.39-11,033.87

Finding the Fourth Proportional to 19,986.35, 27,581.39 and 11,033.87

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Solution

The fourth proportional to 19,986.35, 27,581.39 and 11,033.87 is: 15,226.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.35 : 27,581.39 = 11,033.87 : x
  2. Step 2: Convert to fraction form
    19,986.35/27,581.39 = 11,033.87/x
  3. Step 3: Cross multiply
    19,986.35x = 27,581.39 × 11,033.87
  4. Step 4: Simplify right side
    19,986.35x = 304,329,278.60
  5. Step 5: Solve for x
    x = 304,329,278.60/19,986.35
  6. Step 6: Final answer
    x = 15,226.86

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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.