Home / 12,678.83-19,020.96-3,794.85

Finding the Fourth Proportional to 12,678.83, 19,020.96 and 3,794.85

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Solution

The fourth proportional to 12,678.83, 19,020.96 and 3,794.85 is: 5,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678.83 : 19,020.96 = 3,794.85 : x
  2. Step 2: Convert to fraction form
    12,678.83/19,020.96 = 3,794.85/x
  3. Step 3: Cross multiply
    12,678.83x = 19,020.96 × 3,794.85
  4. Step 4: Simplify right side
    12,678.83x = 72,181,690.06
  5. Step 5: Solve for x
    x = 72,181,690.06/12,678.83
  6. Step 6: Final answer
    x = 5,693.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.