Home / 18,511.19-27,766.78-5,363.56

Finding the Fourth Proportional to 18,511.19, 27,766.78 and 5,363.56

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Solution

The fourth proportional to 18,511.19, 27,766.78 and 5,363.56 is: 8,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.19 : 27,766.78 = 5,363.56 : x
  2. Step 2: Convert to fraction form
    18,511.19/27,766.78 = 5,363.56/x
  3. Step 3: Cross multiply
    18,511.19x = 27,766.78 × 5,363.56
  4. Step 4: Simplify right side
    18,511.19x = 148,928,790.54
  5. Step 5: Solve for x
    x = 148,928,790.54/18,511.19
  6. Step 6: Final answer
    x = 8,045.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.