Home / 15,906.52-23,859.79-5,518.28

Finding the Fourth Proportional to 15,906.52, 23,859.79 and 5,518.28

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Solution

The fourth proportional to 15,906.52, 23,859.79 and 5,518.28 is: 8,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.52 : 23,859.79 = 5,518.28 : x
  2. Step 2: Convert to fraction form
    15,906.52/23,859.79 = 5,518.28/x
  3. Step 3: Cross multiply
    15,906.52x = 23,859.79 × 5,518.28
  4. Step 4: Simplify right side
    15,906.52x = 131,665,001.96
  5. Step 5: Solve for x
    x = 131,665,001.96/15,906.52
  6. Step 6: Final answer
    x = 8,277.42

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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.