Home / 43,286.01-64,936.17-15,198.76

Finding the Fourth Proportional to 43,286.01, 64,936.17 and 15,198.76

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Solution

The fourth proportional to 43,286.01, 64,936.17 and 15,198.76 is: 22,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.01 : 64,936.17 = 15,198.76 : x
  2. Step 2: Convert to fraction form
    43,286.01/64,936.17 = 15,198.76/x
  3. Step 3: Cross multiply
    43,286.01x = 64,936.17 × 15,198.76
  4. Step 4: Simplify right side
    43,286.01x = 986,949,263.15
  5. Step 5: Solve for x
    x = 986,949,263.15/43,286.01
  6. Step 6: Final answer
    x = 22,800.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.