Home / 18,571.12-27,853.45-8,575.02

Finding the Fourth Proportional to 18,571.12, 27,853.45 and 8,575.02

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Solution

The fourth proportional to 18,571.12, 27,853.45 and 8,575.02 is: 12,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.12 : 27,853.45 = 8,575.02 : x
  2. Step 2: Convert to fraction form
    18,571.12/27,853.45 = 8,575.02/x
  3. Step 3: Cross multiply
    18,571.12x = 27,853.45 × 8,575.02
  4. Step 4: Simplify right side
    18,571.12x = 238,843,917.62
  5. Step 5: Solve for x
    x = 238,843,917.62/18,571.12
  6. Step 6: Final answer
    x = 12,861.04

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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.