Home / 27,768.70-41,616.60-11,115.10

Finding the Fourth Proportional to 27,768.70, 41,616.60 and 11,115.10

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Solution

The fourth proportional to 27,768.70, 41,616.60 and 11,115.10 is: 16,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.70 : 41,616.60 = 11,115.10 : x
  2. Step 2: Convert to fraction form
    27,768.70/41,616.60 = 11,115.10/x
  3. Step 3: Cross multiply
    27,768.70x = 41,616.60 × 11,115.10
  4. Step 4: Simplify right side
    27,768.70x = 462,572,670.66
  5. Step 5: Solve for x
    x = 462,572,670.66/27,768.70
  6. Step 6: Final answer
    x = 16,658.06

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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.