Home / 19,564.68-26,997.12-11,179.56

Finding the Fourth Proportional to 19,564.68, 26,997.12 and 11,179.56

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Solution

The fourth proportional to 19,564.68, 26,997.12 and 11,179.56 is: 15,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.68 : 26,997.12 = 11,179.56 : x
  2. Step 2: Convert to fraction form
    19,564.68/26,997.12 = 11,179.56/x
  3. Step 3: Cross multiply
    19,564.68x = 26,997.12 × 11,179.56
  4. Step 4: Simplify right side
    19,564.68x = 301,815,922.87
  5. Step 5: Solve for x
    x = 301,815,922.87/19,564.68
  6. Step 6: Final answer
    x = 15,426.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.