Home / 13,168.43-19,755.73-9,010.40

Finding the Fourth Proportional to 13,168.43, 19,755.73 and 9,010.40

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Solution

The fourth proportional to 13,168.43, 19,755.73 and 9,010.40 is: 13,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.43 : 19,755.73 = 9,010.40 : x
  2. Step 2: Convert to fraction form
    13,168.43/19,755.73 = 9,010.40/x
  3. Step 3: Cross multiply
    13,168.43x = 19,755.73 × 9,010.40
  4. Step 4: Simplify right side
    13,168.43x = 178,006,942.08
  5. Step 5: Solve for x
    x = 178,006,942.08/13,168.43
  6. Step 6: Final answer
    x = 13,517.71

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1.5x scale

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.