Home / 25,255.74-37,891.74-12,109.02

Finding the Fourth Proportional to 25,255.74, 37,891.74 and 12,109.02

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Solution

The fourth proportional to 25,255.74, 37,891.74 and 12,109.02 is: 18,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.74 : 37,891.74 = 12,109.02 : x
  2. Step 2: Convert to fraction form
    25,255.74/37,891.74 = 12,109.02/x
  3. Step 3: Cross multiply
    25,255.74x = 37,891.74 × 12,109.02
  4. Step 4: Simplify right side
    25,255.74x = 458,831,837.49
  5. Step 5: Solve for x
    x = 458,831,837.49/25,255.74
  6. Step 6: Final answer
    x = 18,167.43

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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.