Home / 18,784.43-25,922.82-10,286.42

Finding the Fourth Proportional to 18,784.43, 25,922.82 and 10,286.42

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Solution

The fourth proportional to 18,784.43, 25,922.82 and 10,286.42 is: 14,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.43 : 25,922.82 = 10,286.42 : x
  2. Step 2: Convert to fraction form
    18,784.43/25,922.82 = 10,286.42/x
  3. Step 3: Cross multiply
    18,784.43x = 25,922.82 × 10,286.42
  4. Step 4: Simplify right side
    18,784.43x = 266,652,923.06
  5. Step 5: Solve for x
    x = 266,652,923.06/18,784.43
  6. Step 6: Final answer
    x = 14,195.42

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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.