Home / 16,788.78-25,184.75-4,942.56

Finding the Fourth Proportional to 16,788.78, 25,184.75 and 4,942.56

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Solution

The fourth proportional to 16,788.78, 25,184.75 and 4,942.56 is: 7,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.78 : 25,184.75 = 4,942.56 : x
  2. Step 2: Convert to fraction form
    16,788.78/25,184.75 = 4,942.56/x
  3. Step 3: Cross multiply
    16,788.78x = 25,184.75 × 4,942.56
  4. Step 4: Simplify right side
    16,788.78x = 124,477,012.04
  5. Step 5: Solve for x
    x = 124,477,012.04/16,788.78
  6. Step 6: Final answer
    x = 7,414.30

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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.