Home / 13,516.52-20,274.80-5,308.52

Finding the Fourth Proportional to 13,516.52, 20,274.80 and 5,308.52

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Solution

The fourth proportional to 13,516.52, 20,274.80 and 5,308.52 is: 7,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.52 : 20,274.80 = 5,308.52 : x
  2. Step 2: Convert to fraction form
    13,516.52/20,274.80 = 5,308.52/x
  3. Step 3: Cross multiply
    13,516.52x = 20,274.80 × 5,308.52
  4. Step 4: Simplify right side
    13,516.52x = 107,629,181.30
  5. Step 5: Solve for x
    x = 107,629,181.30/13,516.52
  6. Step 6: Final answer
    x = 7,962.79

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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.