Home / 18,613.49-27,910.94-5,961.67

Finding the Fourth Proportional to 18,613.49, 27,910.94 and 5,961.67

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Solution

The fourth proportional to 18,613.49, 27,910.94 and 5,961.67 is: 8,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.49 : 27,910.94 = 5,961.67 : x
  2. Step 2: Convert to fraction form
    18,613.49/27,910.94 = 5,961.67/x
  3. Step 3: Cross multiply
    18,613.49x = 27,910.94 × 5,961.67
  4. Step 4: Simplify right side
    18,613.49x = 166,395,714.08
  5. Step 5: Solve for x
    x = 166,395,714.08/18,613.49
  6. Step 6: Final answer
    x = 8,939.52

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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.