Home / 19,960.57-27,546.85-11,008.09

Finding the Fourth Proportional to 19,960.57, 27,546.85 and 11,008.09

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Solution

The fourth proportional to 19,960.57, 27,546.85 and 11,008.09 is: 15,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.57 : 27,546.85 = 11,008.09 : x
  2. Step 2: Convert to fraction form
    19,960.57/27,546.85 = 11,008.09/x
  3. Step 3: Cross multiply
    19,960.57x = 27,546.85 × 11,008.09
  4. Step 4: Simplify right side
    19,960.57x = 303,238,204.02
  5. Step 5: Solve for x
    x = 303,238,204.02/19,960.57
  6. Step 6: Final answer
    x = 15,191.86

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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.