Home / 12,788.24-19,181.72-4,022.96

Finding the Fourth Proportional to 12,788.24, 19,181.72 and 4,022.96

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Solution

The fourth proportional to 12,788.24, 19,181.72 and 4,022.96 is: 6,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.24 : 19,181.72 = 4,022.96 : x
  2. Step 2: Convert to fraction form
    12,788.24/19,181.72 = 4,022.96/x
  3. Step 3: Cross multiply
    12,788.24x = 19,181.72 × 4,022.96
  4. Step 4: Simplify right side
    12,788.24x = 77,167,292.29
  5. Step 5: Solve for x
    x = 77,167,292.29/12,788.24
  6. Step 6: Final answer
    x = 6,034.24

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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.