Home / 13,176.82-19,766.27-3,816.99

Finding the Fourth Proportional to 13,176.82, 19,766.27 and 3,816.99

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Solution

The fourth proportional to 13,176.82, 19,766.27 and 3,816.99 is: 5,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.82 : 19,766.27 = 3,816.99 : x
  2. Step 2: Convert to fraction form
    13,176.82/19,766.27 = 3,816.99/x
  3. Step 3: Cross multiply
    13,176.82x = 19,766.27 × 3,816.99
  4. Step 4: Simplify right side
    13,176.82x = 75,447,654.93
  5. Step 5: Solve for x
    x = 75,447,654.93/13,176.82
  6. Step 6: Final answer
    x = 5,725.79

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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.