Home / 19,405.05-29,049.56-11,884.93

Finding the Fourth Proportional to 19,405.05, 29,049.56 and 11,884.93

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Solution

The fourth proportional to 19,405.05, 29,049.56 and 11,884.93 is: 17,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.05 : 29,049.56 = 11,884.93 : x
  2. Step 2: Convert to fraction form
    19,405.05/29,049.56 = 11,884.93/x
  3. Step 3: Cross multiply
    19,405.05x = 29,049.56 × 11,884.93
  4. Step 4: Simplify right side
    19,405.05x = 345,251,882.32
  5. Step 5: Solve for x
    x = 345,251,882.32/19,405.05
  6. Step 6: Final answer
    x = 17,791.86

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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.