Home / 18,942.75-28,414.19-5,795.10

Finding the Fourth Proportional to 18,942.75, 28,414.19 and 5,795.10

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Solution

The fourth proportional to 18,942.75, 28,414.19 and 5,795.10 is: 8,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.75 : 28,414.19 = 5,795.10 : x
  2. Step 2: Convert to fraction form
    18,942.75/28,414.19 = 5,795.10/x
  3. Step 3: Cross multiply
    18,942.75x = 28,414.19 × 5,795.10
  4. Step 4: Simplify right side
    18,942.75x = 164,663,072.47
  5. Step 5: Solve for x
    x = 164,663,072.47/18,942.75
  6. Step 6: Final answer
    x = 8,692.67

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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.