Home / 15,851.43-23,781.09-4,758.33

Finding the Fourth Proportional to 15,851.43, 23,781.09 and 4,758.33

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Solution

The fourth proportional to 15,851.43, 23,781.09 and 4,758.33 is: 7,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.43 : 23,781.09 = 4,758.33 : x
  2. Step 2: Convert to fraction form
    15,851.43/23,781.09 = 4,758.33/x
  3. Step 3: Cross multiply
    15,851.43x = 23,781.09 × 4,758.33
  4. Step 4: Simplify right side
    15,851.43x = 113,158,273.98
  5. Step 5: Solve for x
    x = 113,158,273.98/15,851.43
  6. Step 6: Final answer
    x = 7,138.68

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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.