Home / 23,120.43-34,651.88-12,020.59

Finding the Fourth Proportional to 23,120.43, 34,651.88 and 12,020.59

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Solution

The fourth proportional to 23,120.43, 34,651.88 and 12,020.59 is: 18,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.43 : 34,651.88 = 12,020.59 : x
  2. Step 2: Convert to fraction form
    23,120.43/34,651.88 = 12,020.59/x
  3. Step 3: Cross multiply
    23,120.43x = 34,651.88 × 12,020.59
  4. Step 4: Simplify right side
    23,120.43x = 416,536,042.21
  5. Step 5: Solve for x
    x = 416,536,042.21/23,120.43
  6. Step 6: Final answer
    x = 18,015.93

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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.