Home / 18,621.72-27,932.94-14,906.70

Finding the Fourth Proportional to 18,621.72, 27,932.94 and 14,906.70

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Solution

The fourth proportional to 18,621.72, 27,932.94 and 14,906.70 is: 22,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.72 : 27,932.94 = 14,906.70 : x
  2. Step 2: Convert to fraction form
    18,621.72/27,932.94 = 14,906.70/x
  3. Step 3: Cross multiply
    18,621.72x = 27,932.94 × 14,906.70
  4. Step 4: Simplify right side
    18,621.72x = 416,387,956.70
  5. Step 5: Solve for x
    x = 416,387,956.70/18,621.72
  6. Step 6: Final answer
    x = 22,360.34

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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.