Home / 18,476.12-27,716.91-6,788.43

Finding the Fourth Proportional to 18,476.12, 27,716.91 and 6,788.43

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Solution

The fourth proportional to 18,476.12, 27,716.91 and 6,788.43 is: 10,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.12 : 27,716.91 = 6,788.43 : x
  2. Step 2: Convert to fraction form
    18,476.12/27,716.91 = 6,788.43/x
  3. Step 3: Cross multiply
    18,476.12x = 27,716.91 × 6,788.43
  4. Step 4: Simplify right side
    18,476.12x = 188,154,130.82
  5. Step 5: Solve for x
    x = 188,154,130.82/18,476.12
  6. Step 6: Final answer
    x = 10,183.64

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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.