Home / 15,716.88-23,571.99-4,620.56

Finding the Fourth Proportional to 15,716.88, 23,571.99 and 4,620.56

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Solution

The fourth proportional to 15,716.88, 23,571.99 and 4,620.56 is: 6,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.88 : 23,571.99 = 4,620.56 : x
  2. Step 2: Convert to fraction form
    15,716.88/23,571.99 = 4,620.56/x
  3. Step 3: Cross multiply
    15,716.88x = 23,571.99 × 4,620.56
  4. Step 4: Simplify right side
    15,716.88x = 108,915,676.25
  5. Step 5: Solve for x
    x = 108,915,676.25/15,716.88
  6. Step 6: Final answer
    x = 6,929.85

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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.