Home / 18,204.63-25,109.44-12,151.82

Finding the Fourth Proportional to 18,204.63, 25,109.44 and 12,151.82

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Solution

The fourth proportional to 18,204.63, 25,109.44 and 12,151.82 is: 16,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.63 : 25,109.44 = 12,151.82 : x
  2. Step 2: Convert to fraction form
    18,204.63/25,109.44 = 12,151.82/x
  3. Step 3: Cross multiply
    18,204.63x = 25,109.44 × 12,151.82
  4. Step 4: Simplify right side
    18,204.63x = 305,125,395.18
  5. Step 5: Solve for x
    x = 305,125,395.18/18,204.63
  6. Step 6: Final answer
    x = 16,760.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.