Home / 25,549.11-38,323.94-12,039.39

Finding the Fourth Proportional to 25,549.11, 38,323.94 and 12,039.39

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Solution

The fourth proportional to 25,549.11, 38,323.94 and 12,039.39 is: 18,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.11 : 38,323.94 = 12,039.39 : x
  2. Step 2: Convert to fraction form
    25,549.11/38,323.94 = 12,039.39/x
  3. Step 3: Cross multiply
    25,549.11x = 38,323.94 × 12,039.39
  4. Step 4: Simplify right side
    25,549.11x = 461,396,799.80
  5. Step 5: Solve for x
    x = 461,396,799.80/25,549.11
  6. Step 6: Final answer
    x = 18,059.21

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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.