Home / 13,715.97-20,571.48-3,852.84

Finding the Fourth Proportional to 13,715.97, 20,571.48 and 3,852.84

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Solution

The fourth proportional to 13,715.97, 20,571.48 and 3,852.84 is: 5,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.97 : 20,571.48 = 3,852.84 : x
  2. Step 2: Convert to fraction form
    13,715.97/20,571.48 = 3,852.84/x
  3. Step 3: Cross multiply
    13,715.97x = 20,571.48 × 3,852.84
  4. Step 4: Simplify right side
    13,715.97x = 79,258,621.00
  5. Step 5: Solve for x
    x = 79,258,621.00/13,715.97
  6. Step 6: Final answer
    x = 5,778.56

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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.