Home / 25,414.03-38,155.96-12,942.43

Finding the Fourth Proportional to 25,414.03, 38,155.96 and 12,942.43

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Solution

The fourth proportional to 25,414.03, 38,155.96 and 12,942.43 is: 19,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.03 : 38,155.96 = 12,942.43 : x
  2. Step 2: Convert to fraction form
    25,414.03/38,155.96 = 12,942.43/x
  3. Step 3: Cross multiply
    25,414.03x = 38,155.96 × 12,942.43
  4. Step 4: Simplify right side
    25,414.03x = 493,830,841.38
  5. Step 5: Solve for x
    x = 493,830,841.38/25,414.03
  6. Step 6: Final answer
    x = 19,431.43

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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.