Home / 22,306.30-33,408.08-12,923.02

Finding the Fourth Proportional to 22,306.30, 33,408.08 and 12,923.02

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Solution

The fourth proportional to 22,306.30, 33,408.08 and 12,923.02 is: 19,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.30 : 33,408.08 = 12,923.02 : x
  2. Step 2: Convert to fraction form
    22,306.30/33,408.08 = 12,923.02/x
  3. Step 3: Cross multiply
    22,306.30x = 33,408.08 × 12,923.02
  4. Step 4: Simplify right side
    22,306.30x = 431,733,137.87
  5. Step 5: Solve for x
    x = 431,733,137.87/22,306.30
  6. Step 6: Final answer
    x = 19,354.76

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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.