Home / 25,255.80-37,845-12,740.94

Finding the Fourth Proportional to 25,255.80, 37,845 and 12,740.94

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Solution

The fourth proportional to 25,255.80, 37,845 and 12,740.94 is: 19,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.80 : 37,845 = 12,740.94 : x
  2. Step 2: Convert to fraction form
    25,255.80/37,845 = 12,740.94/x
  3. Step 3: Cross multiply
    25,255.80x = 37,845 × 12,740.94
  4. Step 4: Simplify right side
    25,255.80x = 482,180,874.30
  5. Step 5: Solve for x
    x = 482,180,874.30/25,255.80
  6. Step 6: Final answer
    x = 19,091.89

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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.