Home / 19,379.92-29,067.72-5,528.56

Finding the Fourth Proportional to 19,379.92, 29,067.72 and 5,528.56

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Solution

The fourth proportional to 19,379.92, 29,067.72 and 5,528.56 is: 8,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.92 : 29,067.72 = 5,528.56 : x
  2. Step 2: Convert to fraction form
    19,379.92/29,067.72 = 5,528.56/x
  3. Step 3: Cross multiply
    19,379.92x = 29,067.72 × 5,528.56
  4. Step 4: Simplify right side
    19,379.92x = 160,702,634.08
  5. Step 5: Solve for x
    x = 160,702,634.08/19,379.92
  6. Step 6: Final answer
    x = 8,292.22

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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.