Home / 22,669.10-33,974.78-12,813.86

Finding the Fourth Proportional to 22,669.10, 33,974.78 and 12,813.86

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Solution

The fourth proportional to 22,669.10, 33,974.78 and 12,813.86 is: 19,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.10 : 33,974.78 = 12,813.86 : x
  2. Step 2: Convert to fraction form
    22,669.10/33,974.78 = 12,813.86/x
  3. Step 3: Cross multiply
    22,669.10x = 33,974.78 × 12,813.86
  4. Step 4: Simplify right side
    22,669.10x = 435,348,074.45
  5. Step 5: Solve for x
    x = 435,348,074.45/22,669.10
  6. Step 6: Final answer
    x = 19,204.47

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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.