Home / 18,451.45-27,674.20-5,300.83

Finding the Fourth Proportional to 18,451.45, 27,674.20 and 5,300.83

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Solution

The fourth proportional to 18,451.45, 27,674.20 and 5,300.83 is: 7,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.45 : 27,674.20 = 5,300.83 : x
  2. Step 2: Convert to fraction form
    18,451.45/27,674.20 = 5,300.83/x
  3. Step 3: Cross multiply
    18,451.45x = 27,674.20 × 5,300.83
  4. Step 4: Simplify right side
    18,451.45x = 146,696,229.59
  5. Step 5: Solve for x
    x = 146,696,229.59/18,451.45
  6. Step 6: Final answer
    x = 7,950.39

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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.