Home / 18,612.46-27,919.74-5,963.32

Finding the Fourth Proportional to 18,612.46, 27,919.74 and 5,963.32

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Solution

The fourth proportional to 18,612.46, 27,919.74 and 5,963.32 is: 8,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.46 : 27,919.74 = 5,963.32 : x
  2. Step 2: Convert to fraction form
    18,612.46/27,919.74 = 5,963.32/x
  3. Step 3: Cross multiply
    18,612.46x = 27,919.74 × 5,963.32
  4. Step 4: Simplify right side
    18,612.46x = 166,494,343.94
  5. Step 5: Solve for x
    x = 166,494,343.94/18,612.46
  6. Step 6: Final answer
    x = 8,945.32

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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.