Home / 22,465.44-31,002.41-12,394

Finding the Fourth Proportional to 22,465.44, 31,002.41 and 12,394

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Solution

The fourth proportional to 22,465.44, 31,002.41 and 12,394 is: 17,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.44 : 31,002.41 = 12,394 : x
  2. Step 2: Convert to fraction form
    22,465.44/31,002.41 = 12,394/x
  3. Step 3: Cross multiply
    22,465.44x = 31,002.41 × 12,394
  4. Step 4: Simplify right side
    22,465.44x = 384,243,869.54
  5. Step 5: Solve for x
    x = 384,243,869.54/22,465.44
  6. Step 6: Final answer
    x = 17,103.78

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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.