Home / 13,742.99-20,615.35-3,883.03

Finding the Fourth Proportional to 13,742.99, 20,615.35 and 3,883.03

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Solution

The fourth proportional to 13,742.99, 20,615.35 and 3,883.03 is: 5,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.99 : 20,615.35 = 3,883.03 : x
  2. Step 2: Convert to fraction form
    13,742.99/20,615.35 = 3,883.03/x
  3. Step 3: Cross multiply
    13,742.99x = 20,615.35 × 3,883.03
  4. Step 4: Simplify right side
    13,742.99x = 80,049,961.26
  5. Step 5: Solve for x
    x = 80,049,961.26/13,742.99
  6. Step 6: Final answer
    x = 5,824.79

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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.