Home / 13,577.23-20,365.83-3,716.59

Finding the Fourth Proportional to 13,577.23, 20,365.83 and 3,716.59

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Solution

The fourth proportional to 13,577.23, 20,365.83 and 3,716.59 is: 5,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.23 : 20,365.83 = 3,716.59 : x
  2. Step 2: Convert to fraction form
    13,577.23/20,365.83 = 3,716.59/x
  3. Step 3: Cross multiply
    13,577.23x = 20,365.83 × 3,716.59
  4. Step 4: Simplify right side
    13,577.23x = 75,691,440.12
  5. Step 5: Solve for x
    x = 75,691,440.12/13,577.23
  6. Step 6: Final answer
    x = 5,574.88

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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.