Home / 16,865.08-25,285.10-8,091.64

Finding the Fourth Proportional to 16,865.08, 25,285.10 and 8,091.64

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Solution

The fourth proportional to 16,865.08, 25,285.10 and 8,091.64 is: 12,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.08 : 25,285.10 = 8,091.64 : x
  2. Step 2: Convert to fraction form
    16,865.08/25,285.10 = 8,091.64/x
  3. Step 3: Cross multiply
    16,865.08x = 25,285.10 × 8,091.64
  4. Step 4: Simplify right side
    16,865.08x = 204,597,926.56
  5. Step 5: Solve for x
    x = 204,597,926.56/16,865.08
  6. Step 6: Final answer
    x = 12,131.45

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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.