Home / 18,673.62-25,767.42-11,402.05

Finding the Fourth Proportional to 18,673.62, 25,767.42 and 11,402.05

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Solution

The fourth proportional to 18,673.62, 25,767.42 and 11,402.05 is: 15,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.62 : 25,767.42 = 11,402.05 : x
  2. Step 2: Convert to fraction form
    18,673.62/25,767.42 = 11,402.05/x
  3. Step 3: Cross multiply
    18,673.62x = 25,767.42 × 11,402.05
  4. Step 4: Simplify right side
    18,673.62x = 293,801,472.92
  5. Step 5: Solve for x
    x = 293,801,472.92/18,673.62
  6. Step 6: Final answer
    x = 15,733.51

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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.