Home / 19,469.87-29,183.95-13,906.33

Finding the Fourth Proportional to 19,469.87, 29,183.95 and 13,906.33

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Solution

The fourth proportional to 19,469.87, 29,183.95 and 13,906.33 is: 20,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.87 : 29,183.95 = 13,906.33 : x
  2. Step 2: Convert to fraction form
    19,469.87/29,183.95 = 13,906.33/x
  3. Step 3: Cross multiply
    19,469.87x = 29,183.95 × 13,906.33
  4. Step 4: Simplify right side
    19,469.87x = 405,841,669.76
  5. Step 5: Solve for x
    x = 405,841,669.76/19,469.87
  6. Step 6: Final answer
    x = 20,844.60

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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.