Home / 11,766.67-17,674.62-9,921.40

Finding the Fourth Proportional to 11,766.67, 17,674.62 and 9,921.40

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Solution

The fourth proportional to 11,766.67, 17,674.62 and 9,921.40 is: 14,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.67 : 17,674.62 = 9,921.40 : x
  2. Step 2: Convert to fraction form
    11,766.67/17,674.62 = 9,921.40/x
  3. Step 3: Cross multiply
    11,766.67x = 17,674.62 × 9,921.40
  4. Step 4: Simplify right side
    11,766.67x = 175,356,974.87
  5. Step 5: Solve for x
    x = 175,356,974.87/11,766.67
  6. Step 6: Final answer
    x = 14,902.85

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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.