Home / 25,650.63-38,473.42-12,512.07

Finding the Fourth Proportional to 25,650.63, 38,473.42 and 12,512.07

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Solution

The fourth proportional to 25,650.63, 38,473.42 and 12,512.07 is: 18,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.63 : 38,473.42 = 12,512.07 : x
  2. Step 2: Convert to fraction form
    25,650.63/38,473.42 = 12,512.07/x
  3. Step 3: Cross multiply
    25,650.63x = 38,473.42 × 12,512.07
  4. Step 4: Simplify right side
    25,650.63x = 481,381,900.53
  5. Step 5: Solve for x
    x = 481,381,900.53/25,650.63
  6. Step 6: Final answer
    x = 18,766.87

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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.