Home / 14,956.26-20,639.39-8,241.90

Finding the Fourth Proportional to 14,956.26, 20,639.39 and 8,241.90

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Solution

The fourth proportional to 14,956.26, 20,639.39 and 8,241.90 is: 11,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.26 : 20,639.39 = 8,241.90 : x
  2. Step 2: Convert to fraction form
    14,956.26/20,639.39 = 8,241.90/x
  3. Step 3: Cross multiply
    14,956.26x = 20,639.39 × 8,241.90
  4. Step 4: Simplify right side
    14,956.26x = 170,107,747.23
  5. Step 5: Solve for x
    x = 170,107,747.23/14,956.26
  6. Step 6: Final answer
    x = 11,373.68

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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.