Home / 18,372.74-27,550.90-5,222.04

Finding the Fourth Proportional to 18,372.74, 27,550.90 and 5,222.04

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Solution

The fourth proportional to 18,372.74, 27,550.90 and 5,222.04 is: 7,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.74 : 27,550.90 = 5,222.04 : x
  2. Step 2: Convert to fraction form
    18,372.74/27,550.90 = 5,222.04/x
  3. Step 3: Cross multiply
    18,372.74x = 27,550.90 × 5,222.04
  4. Step 4: Simplify right side
    18,372.74x = 143,871,901.84
  5. Step 5: Solve for x
    x = 143,871,901.84/18,372.74
  6. Step 6: Final answer
    x = 7,830.73

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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.