Home / 19,824.35-27,356.55-11,324.79

Finding the Fourth Proportional to 19,824.35, 27,356.55 and 11,324.79

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Solution

The fourth proportional to 19,824.35, 27,356.55 and 11,324.79 is: 15,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.35 : 27,356.55 = 11,324.79 : x
  2. Step 2: Convert to fraction form
    19,824.35/27,356.55 = 11,324.79/x
  3. Step 3: Cross multiply
    19,824.35x = 27,356.55 × 11,324.79
  4. Step 4: Simplify right side
    19,824.35x = 309,807,183.87
  5. Step 5: Solve for x
    x = 309,807,183.87/19,824.35
  6. Step 6: Final answer
    x = 15,627.61

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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.