Home / 18,694.80-25,799.40-10,738.62

Finding the Fourth Proportional to 18,694.80, 25,799.40 and 10,738.62

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Solution

The fourth proportional to 18,694.80, 25,799.40 and 10,738.62 is: 14,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.80 : 25,799.40 = 10,738.62 : x
  2. Step 2: Convert to fraction form
    18,694.80/25,799.40 = 10,738.62/x
  3. Step 3: Cross multiply
    18,694.80x = 25,799.40 × 10,738.62
  4. Step 4: Simplify right side
    18,694.80x = 277,049,952.83
  5. Step 5: Solve for x
    x = 277,049,952.83/18,694.80
  6. Step 6: Final answer
    x = 14,819.63

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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.