Home / 18,591.27-27,896.46-12,355.56

Finding the Fourth Proportional to 18,591.27, 27,896.46 and 12,355.56

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Solution

The fourth proportional to 18,591.27, 27,896.46 and 12,355.56 is: 18,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.27 : 27,896.46 = 12,355.56 : x
  2. Step 2: Convert to fraction form
    18,591.27/27,896.46 = 12,355.56/x
  3. Step 3: Cross multiply
    18,591.27x = 27,896.46 × 12,355.56
  4. Step 4: Simplify right side
    18,591.27x = 344,676,385.32
  5. Step 5: Solve for x
    x = 344,676,385.32/18,591.27
  6. Step 6: Final answer
    x = 18,539.69

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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.