Home / 18,076.15-24,932.31-15,553.93

Finding the Fourth Proportional to 18,076.15, 24,932.31 and 15,553.93

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Solution

The fourth proportional to 18,076.15, 24,932.31 and 15,553.93 is: 21,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.15 : 24,932.31 = 15,553.93 : x
  2. Step 2: Convert to fraction form
    18,076.15/24,932.31 = 15,553.93/x
  3. Step 3: Cross multiply
    18,076.15x = 24,932.31 × 15,553.93
  4. Step 4: Simplify right side
    18,076.15x = 387,795,367.64
  5. Step 5: Solve for x
    x = 387,795,367.64/18,076.15
  6. Step 6: Final answer
    x = 21,453.42

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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.