Home / 19,186.92-28,758.42-8,076.96

Finding the Fourth Proportional to 19,186.92, 28,758.42 and 8,076.96

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Solution

The fourth proportional to 19,186.92, 28,758.42 and 8,076.96 is: 12,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.92 : 28,758.42 = 8,076.96 : x
  2. Step 2: Convert to fraction form
    19,186.92/28,758.42 = 8,076.96/x
  3. Step 3: Cross multiply
    19,186.92x = 28,758.42 × 8,076.96
  4. Step 4: Simplify right side
    19,186.92x = 232,280,608.00
  5. Step 5: Solve for x
    x = 232,280,608.00/19,186.92
  6. Step 6: Final answer
    x = 12,106.20

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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.