Home / 18,599.12-27,874.96-8,716.60

Finding the Fourth Proportional to 18,599.12, 27,874.96 and 8,716.60

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Solution

The fourth proportional to 18,599.12, 27,874.96 and 8,716.60 is: 13,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.12 : 27,874.96 = 8,716.60 : x
  2. Step 2: Convert to fraction form
    18,599.12/27,874.96 = 8,716.60/x
  3. Step 3: Cross multiply
    18,599.12x = 27,874.96 × 8,716.60
  4. Step 4: Simplify right side
    18,599.12x = 242,974,876.34
  5. Step 5: Solve for x
    x = 242,974,876.34/18,599.12
  6. Step 6: Final answer
    x = 13,063.78

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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.