Home / 19,067.60-26,284.13-13,386.42

Finding the Fourth Proportional to 19,067.60, 26,284.13 and 13,386.42

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Solution

The fourth proportional to 19,067.60, 26,284.13 and 13,386.42 is: 18,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.60 : 26,284.13 = 13,386.42 : x
  2. Step 2: Convert to fraction form
    19,067.60/26,284.13 = 13,386.42/x
  3. Step 3: Cross multiply
    19,067.60x = 26,284.13 × 13,386.42
  4. Step 4: Simplify right side
    19,067.60x = 351,850,336.58
  5. Step 5: Solve for x
    x = 351,850,336.58/19,067.60
  6. Step 6: Final answer
    x = 18,452.79

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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.