Home / 18,392.83-25,380.36-11,224.85

Finding the Fourth Proportional to 18,392.83, 25,380.36 and 11,224.85

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Solution

The fourth proportional to 18,392.83, 25,380.36 and 11,224.85 is: 15,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.83 : 25,380.36 = 11,224.85 : x
  2. Step 2: Convert to fraction form
    18,392.83/25,380.36 = 11,224.85/x
  3. Step 3: Cross multiply
    18,392.83x = 25,380.36 × 11,224.85
  4. Step 4: Simplify right side
    18,392.83x = 284,890,607.04
  5. Step 5: Solve for x
    x = 284,890,607.04/18,392.83
  6. Step 6: Final answer
    x = 15,489.22

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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.