Home / 12,462.53-17,163.29-12,190.37

Finding the Fourth Proportional to 12,462.53, 17,163.29 and 12,190.37

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Solution

The fourth proportional to 12,462.53, 17,163.29 and 12,190.37 is: 16,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.53 : 17,163.29 = 12,190.37 : x
  2. Step 2: Convert to fraction form
    12,462.53/17,163.29 = 12,190.37/x
  3. Step 3: Cross multiply
    12,462.53x = 17,163.29 × 12,190.37
  4. Step 4: Simplify right side
    12,462.53x = 209,226,800.18
  5. Step 5: Solve for x
    x = 209,226,800.18/12,462.53
  6. Step 6: Final answer
    x = 16,788.48

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1.5x scale

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.