Home / 19,251.46-28,879.62-6,768.55

Finding the Fourth Proportional to 19,251.46, 28,879.62 and 6,768.55

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Solution

The fourth proportional to 19,251.46, 28,879.62 and 6,768.55 is: 10,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.46 : 28,879.62 = 6,768.55 : x
  2. Step 2: Convert to fraction form
    19,251.46/28,879.62 = 6,768.55/x
  3. Step 3: Cross multiply
    19,251.46x = 28,879.62 × 6,768.55
  4. Step 4: Simplify right side
    19,251.46x = 195,473,151.95
  5. Step 5: Solve for x
    x = 195,473,151.95/19,251.46
  6. Step 6: Final answer
    x = 10,153.68

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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.