Home / 16,695.36-25,022.16-7,912.80

Finding the Fourth Proportional to 16,695.36, 25,022.16 and 7,912.80

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Solution

The fourth proportional to 16,695.36, 25,022.16 and 7,912.80 is: 11,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.36 : 25,022.16 = 7,912.80 : x
  2. Step 2: Convert to fraction form
    16,695.36/25,022.16 = 7,912.80/x
  3. Step 3: Cross multiply
    16,695.36x = 25,022.16 × 7,912.80
  4. Step 4: Simplify right side
    16,695.36x = 197,995,347.65
  5. Step 5: Solve for x
    x = 197,995,347.65/16,695.36
  6. Step 6: Final answer
    x = 11,859.30

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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.