Home / 19,299.16-28,932.33-18,380.62

Finding the Fourth Proportional to 19,299.16, 28,932.33 and 18,380.62

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Solution

The fourth proportional to 19,299.16, 28,932.33 and 18,380.62 is: 27,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.16 : 28,932.33 = 18,380.62 : x
  2. Step 2: Convert to fraction form
    19,299.16/28,932.33 = 18,380.62/x
  3. Step 3: Cross multiply
    19,299.16x = 28,932.33 × 18,380.62
  4. Step 4: Simplify right side
    19,299.16x = 531,794,163.44
  5. Step 5: Solve for x
    x = 531,794,163.44/19,299.16
  6. Step 6: Final answer
    x = 27,555.30

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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.