Home / 26,983.20-37,221.84-15,803.04

Finding the Fourth Proportional to 26,983.20, 37,221.84 and 15,803.04

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Solution

The fourth proportional to 26,983.20, 37,221.84 and 15,803.04 is: 21,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,983.20 : 37,221.84 = 15,803.04 : x
  2. Step 2: Convert to fraction form
    26,983.20/37,221.84 = 15,803.04/x
  3. Step 3: Cross multiply
    26,983.20x = 37,221.84 × 15,803.04
  4. Step 4: Simplify right side
    26,983.20x = 588,218,226.39
  5. Step 5: Solve for x
    x = 588,218,226.39/26,983.20
  6. Step 6: Final answer
    x = 21,799.42

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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.