Home / 23,986.73-35,979.84-8,191.58

Finding the Fourth Proportional to 23,986.73, 35,979.84 and 8,191.58

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Solution

The fourth proportional to 23,986.73, 35,979.84 and 8,191.58 is: 12,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.73 : 35,979.84 = 8,191.58 : x
  2. Step 2: Convert to fraction form
    23,986.73/35,979.84 = 8,191.58/x
  3. Step 3: Cross multiply
    23,986.73x = 35,979.84 × 8,191.58
  4. Step 4: Simplify right side
    23,986.73x = 294,731,516.89
  5. Step 5: Solve for x
    x = 294,731,516.89/23,986.73
  6. Step 6: Final answer
    x = 12,287.28

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1.5x scale

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.