Home / 11,540.06-17,339.61-11,218.94

Finding the Fourth Proportional to 11,540.06, 17,339.61 and 11,218.94

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Solution

The fourth proportional to 11,540.06, 17,339.61 and 11,218.94 is: 16,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.06 : 17,339.61 = 11,218.94 : x
  2. Step 2: Convert to fraction form
    11,540.06/17,339.61 = 11,218.94/x
  3. Step 3: Cross multiply
    11,540.06x = 17,339.61 × 11,218.94
  4. Step 4: Simplify right side
    11,540.06x = 194,532,044.21
  5. Step 5: Solve for x
    x = 194,532,044.21/11,540.06
  6. Step 6: Final answer
    x = 16,857.11

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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.