Home / 19,067.72-28,601.58-5,216.72

Finding the Fourth Proportional to 19,067.72, 28,601.58 and 5,216.72

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Solution

The fourth proportional to 19,067.72, 28,601.58 and 5,216.72 is: 7,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.72 : 28,601.58 = 5,216.72 : x
  2. Step 2: Convert to fraction form
    19,067.72/28,601.58 = 5,216.72/x
  3. Step 3: Cross multiply
    19,067.72x = 28,601.58 × 5,216.72
  4. Step 4: Simplify right side
    19,067.72x = 149,206,291.41
  5. Step 5: Solve for x
    x = 149,206,291.41/19,067.72
  6. Step 6: Final answer
    x = 7,825.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.