Home / 18,355.50-27,514.26-7,257.66

Finding the Fourth Proportional to 18,355.50, 27,514.26 and 7,257.66

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Solution

The fourth proportional to 18,355.50, 27,514.26 and 7,257.66 is: 10,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.50 : 27,514.26 = 7,257.66 : x
  2. Step 2: Convert to fraction form
    18,355.50/27,514.26 = 7,257.66/x
  3. Step 3: Cross multiply
    18,355.50x = 27,514.26 × 7,257.66
  4. Step 4: Simplify right side
    18,355.50x = 199,689,144.23
  5. Step 5: Solve for x
    x = 199,689,144.23/18,355.50
  6. Step 6: Final answer
    x = 10,878.98

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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.