Home / 18,626.85-27,949.59-11,604.69

Finding the Fourth Proportional to 18,626.85, 27,949.59 and 11,604.69

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Solution

The fourth proportional to 18,626.85, 27,949.59 and 11,604.69 is: 17,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.85 : 27,949.59 = 11,604.69 : x
  2. Step 2: Convert to fraction form
    18,626.85/27,949.59 = 11,604.69/x
  3. Step 3: Cross multiply
    18,626.85x = 27,949.59 × 11,604.69
  4. Step 4: Simplify right side
    18,626.85x = 324,346,327.58
  5. Step 5: Solve for x
    x = 324,346,327.58/18,626.85
  6. Step 6: Final answer
    x = 17,412.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.