Home / 19,834.20-27,369.43-11,334.63

Finding the Fourth Proportional to 19,834.20, 27,369.43 and 11,334.63

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Solution

The fourth proportional to 19,834.20, 27,369.43 and 11,334.63 is: 15,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.20 : 27,369.43 = 11,334.63 : x
  2. Step 2: Convert to fraction form
    19,834.20/27,369.43 = 11,334.63/x
  3. Step 3: Cross multiply
    19,834.20x = 27,369.43 × 11,334.63
  4. Step 4: Simplify right side
    19,834.20x = 310,222,436.66
  5. Step 5: Solve for x
    x = 310,222,436.66/19,834.20
  6. Step 6: Final answer
    x = 15,640.78

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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.