Home / 12,673.38-19,012.23-3,906.66

Finding the Fourth Proportional to 12,673.38, 19,012.23 and 3,906.66

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Solution

The fourth proportional to 12,673.38, 19,012.23 and 3,906.66 is: 5,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.38 : 19,012.23 = 3,906.66 : x
  2. Step 2: Convert to fraction form
    12,673.38/19,012.23 = 3,906.66/x
  3. Step 3: Cross multiply
    12,673.38x = 19,012.23 × 3,906.66
  4. Step 4: Simplify right side
    12,673.38x = 74,274,318.45
  5. Step 5: Solve for x
    x = 74,274,318.45/12,673.38
  6. Step 6: Final answer
    x = 5,860.66

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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.