Home / 19,691.26-27,175.55-11,196.05

Finding the Fourth Proportional to 19,691.26, 27,175.55 and 11,196.05

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Solution

The fourth proportional to 19,691.26, 27,175.55 and 11,196.05 is: 15,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.26 : 27,175.55 = 11,196.05 : x
  2. Step 2: Convert to fraction form
    19,691.26/27,175.55 = 11,196.05/x
  3. Step 3: Cross multiply
    19,691.26x = 27,175.55 × 11,196.05
  4. Step 4: Simplify right side
    19,691.26x = 304,258,816.58
  5. Step 5: Solve for x
    x = 304,258,816.58/19,691.26
  6. Step 6: Final answer
    x = 15,451.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.