Home / 16,908.36-25,365.73-5,218.85

Finding the Fourth Proportional to 16,908.36, 25,365.73 and 5,218.85

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Solution

The fourth proportional to 16,908.36, 25,365.73 and 5,218.85 is: 7,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.36 : 25,365.73 = 5,218.85 : x
  2. Step 2: Convert to fraction form
    16,908.36/25,365.73 = 5,218.85/x
  3. Step 3: Cross multiply
    16,908.36x = 25,365.73 × 5,218.85
  4. Step 4: Simplify right side
    16,908.36x = 132,379,800.13
  5. Step 5: Solve for x
    x = 132,379,800.13/16,908.36
  6. Step 6: Final answer
    x = 7,829.25

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1.5x scale

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.