Home / 19,198.96-28,778.67-7,349.94

Finding the Fourth Proportional to 19,198.96, 28,778.67 and 7,349.94

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Solution

The fourth proportional to 19,198.96, 28,778.67 and 7,349.94 is: 11,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.96 : 28,778.67 = 7,349.94 : x
  2. Step 2: Convert to fraction form
    19,198.96/28,778.67 = 7,349.94/x
  3. Step 3: Cross multiply
    19,198.96x = 28,778.67 × 7,349.94
  4. Step 4: Simplify right side
    19,198.96x = 211,521,497.78
  5. Step 5: Solve for x
    x = 211,521,497.78/19,198.96
  6. Step 6: Final answer
    x = 11,017.34

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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.