Home / 18,581.22-25,647-11,503.62

Finding the Fourth Proportional to 18,581.22, 25,647 and 11,503.62

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Solution

The fourth proportional to 18,581.22, 25,647 and 11,503.62 is: 15,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.22 : 25,647 = 11,503.62 : x
  2. Step 2: Convert to fraction form
    18,581.22/25,647 = 11,503.62/x
  3. Step 3: Cross multiply
    18,581.22x = 25,647 × 11,503.62
  4. Step 4: Simplify right side
    18,581.22x = 295,033,342.14
  5. Step 5: Solve for x
    x = 295,033,342.14/18,581.22
  6. Step 6: Final answer
    x = 15,878.04

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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.