Home / 18,394.14-25,389.26-12,021.69

Finding the Fourth Proportional to 18,394.14, 25,389.26 and 12,021.69

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Solution

The fourth proportional to 18,394.14, 25,389.26 and 12,021.69 is: 16,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.14 : 25,389.26 = 12,021.69 : x
  2. Step 2: Convert to fraction form
    18,394.14/25,389.26 = 12,021.69/x
  3. Step 3: Cross multiply
    18,394.14x = 25,389.26 × 12,021.69
  4. Step 4: Simplify right side
    18,394.14x = 305,221,813.05
  5. Step 5: Solve for x
    x = 305,221,813.05/18,394.14
  6. Step 6: Final answer
    x = 16,593.43

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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.