Home / 19,198.54-28,769.73-8,511.94

Finding the Fourth Proportional to 19,198.54, 28,769.73 and 8,511.94

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Solution

The fourth proportional to 19,198.54, 28,769.73 and 8,511.94 is: 12,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.54 : 28,769.73 = 8,511.94 : x
  2. Step 2: Convert to fraction form
    19,198.54/28,769.73 = 8,511.94/x
  3. Step 3: Cross multiply
    19,198.54x = 28,769.73 × 8,511.94
  4. Step 4: Simplify right side
    19,198.54x = 244,886,215.58
  5. Step 5: Solve for x
    x = 244,886,215.58/19,198.54
  6. Step 6: Final answer
    x = 12,755.46

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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.