Home / 19,791.13-29,687.60-11,019.44

Finding the Fourth Proportional to 19,791.13, 29,687.60 and 11,019.44

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Solution

The fourth proportional to 19,791.13, 29,687.60 and 11,019.44 is: 16,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.13 : 29,687.60 = 11,019.44 : x
  2. Step 2: Convert to fraction form
    19,791.13/29,687.60 = 11,019.44/x
  3. Step 3: Cross multiply
    19,791.13x = 29,687.60 × 11,019.44
  4. Step 4: Simplify right side
    19,791.13x = 327,140,606.05
  5. Step 5: Solve for x
    x = 327,140,606.05/19,791.13
  6. Step 6: Final answer
    x = 16,529.66

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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.