Home / 19,115.09-28,672.64-5,968.59

Finding the Fourth Proportional to 19,115.09, 28,672.64 and 5,968.59

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Solution

The fourth proportional to 19,115.09, 28,672.64 and 5,968.59 is: 8,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.09 : 28,672.64 = 5,968.59 : x
  2. Step 2: Convert to fraction form
    19,115.09/28,672.64 = 5,968.59/x
  3. Step 3: Cross multiply
    19,115.09x = 28,672.64 × 5,968.59
  4. Step 4: Simplify right side
    19,115.09x = 171,135,059.17
  5. Step 5: Solve for x
    x = 171,135,059.17/19,115.09
  6. Step 6: Final answer
    x = 8,952.88

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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.