Home / 18,982.12-26,193.33-11,022.79

Finding the Fourth Proportional to 18,982.12, 26,193.33 and 11,022.79

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Solution

The fourth proportional to 18,982.12, 26,193.33 and 11,022.79 is: 15,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.12 : 26,193.33 = 11,022.79 : x
  2. Step 2: Convert to fraction form
    18,982.12/26,193.33 = 11,022.79/x
  3. Step 3: Cross multiply
    18,982.12x = 26,193.33 × 11,022.79
  4. Step 4: Simplify right side
    18,982.12x = 288,723,575.99
  5. Step 5: Solve for x
    x = 288,723,575.99/18,982.12
  6. Step 6: Final answer
    x = 15,210.29

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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.