Home / 18,983.55-28,475.78-5,836.04

Finding the Fourth Proportional to 18,983.55, 28,475.78 and 5,836.04

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Solution

The fourth proportional to 18,983.55, 28,475.78 and 5,836.04 is: 8,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.55 : 28,475.78 = 5,836.04 : x
  2. Step 2: Convert to fraction form
    18,983.55/28,475.78 = 5,836.04/x
  3. Step 3: Cross multiply
    18,983.55x = 28,475.78 × 5,836.04
  4. Step 4: Simplify right side
    18,983.55x = 166,185,619.55
  5. Step 5: Solve for x
    x = 166,185,619.55/18,983.55
  6. Step 6: Final answer
    x = 8,754.19

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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.