Home / 16,805.08-25,195.25-5,708.78

Finding the Fourth Proportional to 16,805.08, 25,195.25 and 5,708.78

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Solution

The fourth proportional to 16,805.08, 25,195.25 and 5,708.78 is: 8,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.08 : 25,195.25 = 5,708.78 : x
  2. Step 2: Convert to fraction form
    16,805.08/25,195.25 = 5,708.78/x
  3. Step 3: Cross multiply
    16,805.08x = 25,195.25 × 5,708.78
  4. Step 4: Simplify right side
    16,805.08x = 143,834,110.75
  5. Step 5: Solve for x
    x = 143,834,110.75/16,805.08
  6. Step 6: Final answer
    x = 8,558.97

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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.