Home / 43,951.14-65,928.54-12,786.39

Finding the Fourth Proportional to 43,951.14, 65,928.54 and 12,786.39

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Solution

The fourth proportional to 43,951.14, 65,928.54 and 12,786.39 is: 19,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,951.14 : 65,928.54 = 12,786.39 : x
  2. Step 2: Convert to fraction form
    43,951.14/65,928.54 = 12,786.39/x
  3. Step 3: Cross multiply
    43,951.14x = 65,928.54 × 12,786.39
  4. Step 4: Simplify right side
    43,951.14x = 842,987,960.64
  5. Step 5: Solve for x
    x = 842,987,960.64/43,951.14
  6. Step 6: Final answer
    x = 19,180.12

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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.