Home / 13,516.59-20,274.82-3,655.83

Finding the Fourth Proportional to 13,516.59, 20,274.82 and 3,655.83

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Solution

The fourth proportional to 13,516.59, 20,274.82 and 3,655.83 is: 5,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.59 : 20,274.82 = 3,655.83 : x
  2. Step 2: Convert to fraction form
    13,516.59/20,274.82 = 3,655.83/x
  3. Step 3: Cross multiply
    13,516.59x = 20,274.82 × 3,655.83
  4. Step 4: Simplify right side
    13,516.59x = 74,121,286.06
  5. Step 5: Solve for x
    x = 74,121,286.06/13,516.59
  6. Step 6: Final answer
    x = 5,483.73

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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.