Home / 22,395.18-30,906.09-12,324

Finding the Fourth Proportional to 22,395.18, 30,906.09 and 12,324

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Solution

The fourth proportional to 22,395.18, 30,906.09 and 12,324 is: 17,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.18 : 30,906.09 = 12,324 : x
  2. Step 2: Convert to fraction form
    22,395.18/30,906.09 = 12,324/x
  3. Step 3: Cross multiply
    22,395.18x = 30,906.09 × 12,324
  4. Step 4: Simplify right side
    22,395.18x = 380,886,653.16
  5. Step 5: Solve for x
    x = 380,886,653.16/22,395.18
  6. Step 6: Final answer
    x = 17,007.53

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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.