Home / 16,851.77-25,277.65-5,163.47

Finding the Fourth Proportional to 16,851.77, 25,277.65 and 5,163.47

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Solution

The fourth proportional to 16,851.77, 25,277.65 and 5,163.47 is: 7,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.77 : 25,277.65 = 5,163.47 : x
  2. Step 2: Convert to fraction form
    16,851.77/25,277.65 = 5,163.47/x
  3. Step 3: Cross multiply
    16,851.77x = 25,277.65 × 5,163.47
  4. Step 4: Simplify right side
    16,851.77x = 130,520,387.45
  5. Step 5: Solve for x
    x = 130,520,387.45/16,851.77
  6. Step 6: Final answer
    x = 7,745.20

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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.