Home / 19,014.75-28,522.67-5,163.75

Finding the Fourth Proportional to 19,014.75, 28,522.67 and 5,163.75

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Solution

The fourth proportional to 19,014.75, 28,522.67 and 5,163.75 is: 7,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.75 : 28,522.67 = 5,163.75 : x
  2. Step 2: Convert to fraction form
    19,014.75/28,522.67 = 5,163.75/x
  3. Step 3: Cross multiply
    19,014.75x = 28,522.67 × 5,163.75
  4. Step 4: Simplify right side
    19,014.75x = 147,283,911.39
  5. Step 5: Solve for x
    x = 147,283,911.39/19,014.75
  6. Step 6: Final answer
    x = 7,745.77

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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.