Home / 19,198.58-28,778.12-7,349.56

Finding the Fourth Proportional to 19,198.58, 28,778.12 and 7,349.56

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Solution

The fourth proportional to 19,198.58, 28,778.12 and 7,349.56 is: 11,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.58 : 28,778.12 = 7,349.56 : x
  2. Step 2: Convert to fraction form
    19,198.58/28,778.12 = 7,349.56/x
  3. Step 3: Cross multiply
    19,198.58x = 28,778.12 × 7,349.56
  4. Step 4: Simplify right side
    19,198.58x = 211,506,410.93
  5. Step 5: Solve for x
    x = 211,506,410.93/19,198.58
  6. Step 6: Final answer
    x = 11,016.78

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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.