Home / 18,581.72-25,647.69-11,504.12

Finding the Fourth Proportional to 18,581.72, 25,647.69 and 11,504.12

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Solution

The fourth proportional to 18,581.72, 25,647.69 and 11,504.12 is: 15,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.72 : 25,647.69 = 11,504.12 : x
  2. Step 2: Convert to fraction form
    18,581.72/25,647.69 = 11,504.12/x
  3. Step 3: Cross multiply
    18,581.72x = 25,647.69 × 11,504.12
  4. Step 4: Simplify right side
    18,581.72x = 295,054,103.48
  5. Step 5: Solve for x
    x = 295,054,103.48/18,581.72
  6. Step 6: Final answer
    x = 15,878.73

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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.