Home / 18,511.53-27,767.30-10,716.09

Finding the Fourth Proportional to 18,511.53, 27,767.30 and 10,716.09

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Solution

The fourth proportional to 18,511.53, 27,767.30 and 10,716.09 is: 16,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.53 : 27,767.30 = 10,716.09 : x
  2. Step 2: Convert to fraction form
    18,511.53/27,767.30 = 10,716.09/x
  3. Step 3: Cross multiply
    18,511.53x = 27,767.30 × 10,716.09
  4. Step 4: Simplify right side
    18,511.53x = 297,556,832.28
  5. Step 5: Solve for x
    x = 297,556,832.28/18,511.53
  6. Step 6: Final answer
    x = 16,074.14

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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.