Home / 18,834.62-25,990.89-10,450.94

Finding the Fourth Proportional to 18,834.62, 25,990.89 and 10,450.94

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Solution

The fourth proportional to 18,834.62, 25,990.89 and 10,450.94 is: 14,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.62 : 25,990.89 = 10,450.94 : x
  2. Step 2: Convert to fraction form
    18,834.62/25,990.89 = 10,450.94/x
  3. Step 3: Cross multiply
    18,834.62x = 25,990.89 × 10,450.94
  4. Step 4: Simplify right side
    18,834.62x = 271,629,231.94
  5. Step 5: Solve for x
    x = 271,629,231.94/18,834.62
  6. Step 6: Final answer
    x = 14,421.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.