Home / 15,961.75-23,942.61-7,186.41

Finding the Fourth Proportional to 15,961.75, 23,942.61 and 7,186.41

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Solution

The fourth proportional to 15,961.75, 23,942.61 and 7,186.41 is: 10,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.75 : 23,942.61 = 7,186.41 : x
  2. Step 2: Convert to fraction form
    15,961.75/23,942.61 = 7,186.41/x
  3. Step 3: Cross multiply
    15,961.75x = 23,942.61 × 7,186.41
  4. Step 4: Simplify right side
    15,961.75x = 172,061,411.93
  5. Step 5: Solve for x
    x = 172,061,411.93/15,961.75
  6. Step 6: Final answer
    x = 10,779.61

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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.