Home / 20,092.55-27,728.37-12,133.17

Finding the Fourth Proportional to 20,092.55, 27,728.37 and 12,133.17

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Solution

The fourth proportional to 20,092.55, 27,728.37 and 12,133.17 is: 16,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.55 : 27,728.37 = 12,133.17 : x
  2. Step 2: Convert to fraction form
    20,092.55/27,728.37 = 12,133.17/x
  3. Step 3: Cross multiply
    20,092.55x = 27,728.37 × 12,133.17
  4. Step 4: Simplify right side
    20,092.55x = 336,433,027.03
  5. Step 5: Solve for x
    x = 336,433,027.03/20,092.55
  6. Step 6: Final answer
    x = 16,744.17

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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.