Home / 16,775.36-25,146.62-6,921.71

Finding the Fourth Proportional to 16,775.36, 25,146.62 and 6,921.71

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Solution

The fourth proportional to 16,775.36, 25,146.62 and 6,921.71 is: 10,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.36 : 25,146.62 = 6,921.71 : x
  2. Step 2: Convert to fraction form
    16,775.36/25,146.62 = 6,921.71/x
  3. Step 3: Cross multiply
    16,775.36x = 25,146.62 × 6,921.71
  4. Step 4: Simplify right side
    16,775.36x = 174,057,502.69
  5. Step 5: Solve for x
    x = 174,057,502.69/16,775.36
  6. Step 6: Final answer
    x = 10,375.79

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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.