Home / 23,986.43-35,979.86-9,191.81

Finding the Fourth Proportional to 23,986.43, 35,979.86 and 9,191.81

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Solution

The fourth proportional to 23,986.43, 35,979.86 and 9,191.81 is: 13,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.43 : 35,979.86 = 9,191.81 : x
  2. Step 2: Convert to fraction form
    23,986.43/35,979.86 = 9,191.81/x
  3. Step 3: Cross multiply
    23,986.43x = 35,979.86 × 9,191.81
  4. Step 4: Simplify right side
    23,986.43x = 330,720,149.88
  5. Step 5: Solve for x
    x = 330,720,149.88/23,986.43
  6. Step 6: Final answer
    x = 13,787.80

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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.