Home / 19,673.05-27,149.35-11,175.43

Finding the Fourth Proportional to 19,673.05, 27,149.35 and 11,175.43

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Solution

The fourth proportional to 19,673.05, 27,149.35 and 11,175.43 is: 15,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.05 : 27,149.35 = 11,175.43 : x
  2. Step 2: Convert to fraction form
    19,673.05/27,149.35 = 11,175.43/x
  3. Step 3: Cross multiply
    19,673.05x = 27,149.35 × 11,175.43
  4. Step 4: Simplify right side
    19,673.05x = 303,405,524.72
  5. Step 5: Solve for x
    x = 303,405,524.72/19,673.05
  6. Step 6: Final answer
    x = 15,422.40

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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.