Home / 17,778.36-24,530.93-11,487.09

Finding the Fourth Proportional to 17,778.36, 24,530.93 and 11,487.09

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Solution

The fourth proportional to 17,778.36, 24,530.93 and 11,487.09 is: 15,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.36 : 24,530.93 = 11,487.09 : x
  2. Step 2: Convert to fraction form
    17,778.36/24,530.93 = 11,487.09/x
  3. Step 3: Cross multiply
    17,778.36x = 24,530.93 × 11,487.09
  4. Step 4: Simplify right side
    17,778.36x = 281,789,078.33
  5. Step 5: Solve for x
    x = 281,789,078.33/17,778.36
  6. Step 6: Final answer
    x = 15,850.11

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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.