Home / 20,463.11-30,513.94-17,974.48

Finding the Fourth Proportional to 20,463.11, 30,513.94 and 17,974.48

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Solution

The fourth proportional to 20,463.11, 30,513.94 and 17,974.48 is: 26,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.11 : 30,513.94 = 17,974.48 : x
  2. Step 2: Convert to fraction form
    20,463.11/30,513.94 = 17,974.48/x
  3. Step 3: Cross multiply
    20,463.11x = 30,513.94 × 17,974.48
  4. Step 4: Simplify right side
    20,463.11x = 548,472,204.25
  5. Step 5: Solve for x
    x = 548,472,204.25/20,463.11
  6. Step 6: Final answer
    x = 26,802.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.