Home / 17,115.72-25,658.58-8,226.60

Finding the Fourth Proportional to 17,115.72, 25,658.58 and 8,226.60

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Solution

The fourth proportional to 17,115.72, 25,658.58 and 8,226.60 is: 12,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.72 : 25,658.58 = 8,226.60 : x
  2. Step 2: Convert to fraction form
    17,115.72/25,658.58 = 8,226.60/x
  3. Step 3: Cross multiply
    17,115.72x = 25,658.58 × 8,226.60
  4. Step 4: Simplify right side
    17,115.72x = 211,082,874.23
  5. Step 5: Solve for x
    x = 211,082,874.23/17,115.72
  6. Step 6: Final answer
    x = 12,332.69

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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.