Home / 15,961.86-23,910.12-7,616.43

Finding the Fourth Proportional to 15,961.86, 23,910.12 and 7,616.43

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Solution

The fourth proportional to 15,961.86, 23,910.12 and 7,616.43 is: 11,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.86 : 23,910.12 = 7,616.43 : x
  2. Step 2: Convert to fraction form
    15,961.86/23,910.12 = 7,616.43/x
  3. Step 3: Cross multiply
    15,961.86x = 23,910.12 × 7,616.43
  4. Step 4: Simplify right side
    15,961.86x = 182,109,755.27
  5. Step 5: Solve for x
    x = 182,109,755.27/15,961.86
  6. Step 6: Final answer
    x = 11,409.06

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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.