Home / 18,786.04-25,922.94-11,230.87

Finding the Fourth Proportional to 18,786.04, 25,922.94 and 11,230.87

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Solution

The fourth proportional to 18,786.04, 25,922.94 and 11,230.87 is: 15,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.04 : 25,922.94 = 11,230.87 : x
  2. Step 2: Convert to fraction form
    18,786.04/25,922.94 = 11,230.87/x
  3. Step 3: Cross multiply
    18,786.04x = 25,922.94 × 11,230.87
  4. Step 4: Simplify right side
    18,786.04x = 291,137,169.16
  5. Step 5: Solve for x
    x = 291,137,169.16/18,786.04
  6. Step 6: Final answer
    x = 15,497.53

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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.