Home / 13,922.28-20,882.61-3,534.03

Finding the Fourth Proportional to 13,922.28, 20,882.61 and 3,534.03

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Solution

The fourth proportional to 13,922.28, 20,882.61 and 3,534.03 is: 5,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.28 : 20,882.61 = 3,534.03 : x
  2. Step 2: Convert to fraction form
    13,922.28/20,882.61 = 3,534.03/x
  3. Step 3: Cross multiply
    13,922.28x = 20,882.61 × 3,534.03
  4. Step 4: Simplify right side
    13,922.28x = 73,799,770.22
  5. Step 5: Solve for x
    x = 73,799,770.22/13,922.28
  6. Step 6: Final answer
    x = 5,300.84

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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.