Home / 18,333.88-25,274.20-13,546.78

Finding the Fourth Proportional to 18,333.88, 25,274.20 and 13,546.78

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Solution

The fourth proportional to 18,333.88, 25,274.20 and 13,546.78 is: 18,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.88 : 25,274.20 = 13,546.78 : x
  2. Step 2: Convert to fraction form
    18,333.88/25,274.20 = 13,546.78/x
  3. Step 3: Cross multiply
    18,333.88x = 25,274.20 × 13,546.78
  4. Step 4: Simplify right side
    18,333.88x = 342,384,027.08
  5. Step 5: Solve for x
    x = 342,384,027.08/18,333.88
  6. Step 6: Final answer
    x = 18,674.94

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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.