Home / 18,610.39-27,915.57-17,676.04

Finding the Fourth Proportional to 18,610.39, 27,915.57 and 17,676.04

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Solution

The fourth proportional to 18,610.39, 27,915.57 and 17,676.04 is: 26,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.39 : 27,915.57 = 17,676.04 : x
  2. Step 2: Convert to fraction form
    18,610.39/27,915.57 = 17,676.04/x
  3. Step 3: Cross multiply
    18,610.39x = 27,915.57 × 17,676.04
  4. Step 4: Simplify right side
    18,610.39x = 493,436,731.94
  5. Step 5: Solve for x
    x = 493,436,731.94/18,610.39
  6. Step 6: Final answer
    x = 26,514.05

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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.