Home / 19,140.97-26,408.21-11,584.43

Finding the Fourth Proportional to 19,140.97, 26,408.21 and 11,584.43

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Solution

The fourth proportional to 19,140.97, 26,408.21 and 11,584.43 is: 15,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.97 : 26,408.21 = 11,584.43 : x
  2. Step 2: Convert to fraction form
    19,140.97/26,408.21 = 11,584.43/x
  3. Step 3: Cross multiply
    19,140.97x = 26,408.21 × 11,584.43
  4. Step 4: Simplify right side
    19,140.97x = 305,924,068.27
  5. Step 5: Solve for x
    x = 305,924,068.27/19,140.97
  6. Step 6: Final answer
    x = 15,982.69

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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.