Home / 16,859.14-25,227.51-12,188.50

Finding the Fourth Proportional to 16,859.14, 25,227.51 and 12,188.50

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Solution

The fourth proportional to 16,859.14, 25,227.51 and 12,188.50 is: 18,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.14 : 25,227.51 = 12,188.50 : x
  2. Step 2: Convert to fraction form
    16,859.14/25,227.51 = 12,188.50/x
  3. Step 3: Cross multiply
    16,859.14x = 25,227.51 × 12,188.50
  4. Step 4: Simplify right side
    16,859.14x = 307,485,505.64
  5. Step 5: Solve for x
    x = 307,485,505.64/16,859.14
  6. Step 6: Final answer
    x = 18,238.50

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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.