Home / 15,850.07-23,771.66-4,753.78

Finding the Fourth Proportional to 15,850.07, 23,771.66 and 4,753.78

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Solution

The fourth proportional to 15,850.07, 23,771.66 and 4,753.78 is: 7,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.07 : 23,771.66 = 4,753.78 : x
  2. Step 2: Convert to fraction form
    15,850.07/23,771.66 = 4,753.78/x
  3. Step 3: Cross multiply
    15,850.07x = 23,771.66 × 4,753.78
  4. Step 4: Simplify right side
    15,850.07x = 113,005,241.87
  5. Step 5: Solve for x
    x = 113,005,241.87/15,850.07
  6. Step 6: Final answer
    x = 7,129.64

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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.