Home / 23,181.80-34,734.30-19,725.80

Finding the Fourth Proportional to 23,181.80, 34,734.30 and 19,725.80

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Solution

The fourth proportional to 23,181.80, 34,734.30 and 19,725.80 is: 29,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181.80 : 34,734.30 = 19,725.80 : x
  2. Step 2: Convert to fraction form
    23,181.80/34,734.30 = 19,725.80/x
  3. Step 3: Cross multiply
    23,181.80x = 34,734.30 × 19,725.80
  4. Step 4: Simplify right side
    23,181.80x = 685,161,854.94
  5. Step 5: Solve for x
    x = 685,161,854.94/23,181.80
  6. Step 6: Final answer
    x = 29,556.02

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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.