Home / 15,922.67-23,890.49-7,161.71

Finding the Fourth Proportional to 15,922.67, 23,890.49 and 7,161.71

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Solution

The fourth proportional to 15,922.67, 23,890.49 and 7,161.71 is: 10,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.67 : 23,890.49 = 7,161.71 : x
  2. Step 2: Convert to fraction form
    15,922.67/23,890.49 = 7,161.71/x
  3. Step 3: Cross multiply
    15,922.67x = 23,890.49 × 7,161.71
  4. Step 4: Simplify right side
    15,922.67x = 171,096,725.33
  5. Step 5: Solve for x
    x = 171,096,725.33/15,922.67
  6. Step 6: Final answer
    x = 10,745.48

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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.