Home / 13,167.05-19,757.25-7,625.43

Finding the Fourth Proportional to 13,167.05, 19,757.25 and 7,625.43

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Solution

The fourth proportional to 13,167.05, 19,757.25 and 7,625.43 is: 11,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.05 : 19,757.25 = 7,625.43 : x
  2. Step 2: Convert to fraction form
    13,167.05/19,757.25 = 7,625.43/x
  3. Step 3: Cross multiply
    13,167.05x = 19,757.25 × 7,625.43
  4. Step 4: Simplify right side
    13,167.05x = 150,657,526.87
  5. Step 5: Solve for x
    x = 150,657,526.87/13,167.05
  6. Step 6: Final answer
    x = 11,442.02

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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.