Home / 12,263.91-18,361.69-10,492.44

Finding the Fourth Proportional to 12,263.91, 18,361.69 and 10,492.44

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Solution

The fourth proportional to 12,263.91, 18,361.69 and 10,492.44 is: 15,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.91 : 18,361.69 = 10,492.44 : x
  2. Step 2: Convert to fraction form
    12,263.91/18,361.69 = 10,492.44/x
  3. Step 3: Cross multiply
    12,263.91x = 18,361.69 × 10,492.44
  4. Step 4: Simplify right side
    12,263.91x = 192,658,835.54
  5. Step 5: Solve for x
    x = 192,658,835.54/12,263.91
  6. Step 6: Final answer
    x = 15,709.42

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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.