Home / 18,412.24-27,620.76-6,730.96

Finding the Fourth Proportional to 18,412.24, 27,620.76 and 6,730.96

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Solution

The fourth proportional to 18,412.24, 27,620.76 and 6,730.96 is: 10,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.24 : 27,620.76 = 6,730.96 : x
  2. Step 2: Convert to fraction form
    18,412.24/27,620.76 = 6,730.96/x
  3. Step 3: Cross multiply
    18,412.24x = 27,620.76 × 6,730.96
  4. Step 4: Simplify right side
    18,412.24x = 185,914,230.73
  5. Step 5: Solve for x
    x = 185,914,230.73/18,412.24
  6. Step 6: Final answer
    x = 10,097.32

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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.