Home / 19,197.44-26,480.33-13,218.72

Finding the Fourth Proportional to 19,197.44, 26,480.33 and 13,218.72

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Solution

The fourth proportional to 19,197.44, 26,480.33 and 13,218.72 is: 18,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.44 : 26,480.33 = 13,218.72 : x
  2. Step 2: Convert to fraction form
    19,197.44/26,480.33 = 13,218.72/x
  3. Step 3: Cross multiply
    19,197.44x = 26,480.33 × 13,218.72
  4. Step 4: Simplify right side
    19,197.44x = 350,036,067.78
  5. Step 5: Solve for x
    x = 350,036,067.78/19,197.44
  6. Step 6: Final answer
    x = 18,233.48

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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.