Home / 12,625.67-18,938.49-3,860.58

Finding the Fourth Proportional to 12,625.67, 18,938.49 and 3,860.58

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Solution

The fourth proportional to 12,625.67, 18,938.49 and 3,860.58 is: 5,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.67 : 18,938.49 = 3,860.58 : x
  2. Step 2: Convert to fraction form
    12,625.67/18,938.49 = 3,860.58/x
  3. Step 3: Cross multiply
    12,625.67x = 18,938.49 × 3,860.58
  4. Step 4: Simplify right side
    12,625.67x = 73,113,612.27
  5. Step 5: Solve for x
    x = 73,113,612.27/12,625.67
  6. Step 6: Final answer
    x = 5,790.87

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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.