Home / 12,524.72-18,768.40-11,418.24

Finding the Fourth Proportional to 12,524.72, 18,768.40 and 11,418.24

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Solution

The fourth proportional to 12,524.72, 18,768.40 and 11,418.24 is: 17,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.72 : 18,768.40 = 11,418.24 : x
  2. Step 2: Convert to fraction form
    12,524.72/18,768.40 = 11,418.24/x
  3. Step 3: Cross multiply
    12,524.72x = 18,768.40 × 11,418.24
  4. Step 4: Simplify right side
    12,524.72x = 214,302,095.62
  5. Step 5: Solve for x
    x = 214,302,095.62/12,524.72
  6. Step 6: Final answer
    x = 17,110.33

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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.