Home / 17,790.69-24,553.70-11,078.43

Finding the Fourth Proportional to 17,790.69, 24,553.70 and 11,078.43

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Solution

The fourth proportional to 17,790.69, 24,553.70 and 11,078.43 is: 15,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.69 : 24,553.70 = 11,078.43 : x
  2. Step 2: Convert to fraction form
    17,790.69/24,553.70 = 11,078.43/x
  3. Step 3: Cross multiply
    17,790.69x = 24,553.70 × 11,078.43
  4. Step 4: Simplify right side
    17,790.69x = 272,016,446.69
  5. Step 5: Solve for x
    x = 272,016,446.69/17,790.69
  6. Step 6: Final answer
    x = 15,289.82

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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.