Home / 11,935.05-17,815.23-11,067.66

Finding the Fourth Proportional to 11,935.05, 17,815.23 and 11,067.66

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Solution

The fourth proportional to 11,935.05, 17,815.23 and 11,067.66 is: 16,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.05 : 17,815.23 = 11,067.66 : x
  2. Step 2: Convert to fraction form
    11,935.05/17,815.23 = 11,067.66/x
  3. Step 3: Cross multiply
    11,935.05x = 17,815.23 × 11,067.66
  4. Step 4: Simplify right side
    11,935.05x = 197,172,908.46
  5. Step 5: Solve for x
    x = 197,172,908.46/11,935.05
  6. Step 6: Final answer
    x = 16,520.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.