Home / 20,042.94-27,664.83-11,661.06

Finding the Fourth Proportional to 20,042.94, 27,664.83 and 11,661.06

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Solution

The fourth proportional to 20,042.94, 27,664.83 and 11,661.06 is: 16,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.94 : 27,664.83 = 11,661.06 : x
  2. Step 2: Convert to fraction form
    20,042.94/27,664.83 = 11,661.06/x
  3. Step 3: Cross multiply
    20,042.94x = 27,664.83 × 11,661.06
  4. Step 4: Simplify right side
    20,042.94x = 322,601,242.52
  5. Step 5: Solve for x
    x = 322,601,242.52/20,042.94
  6. Step 6: Final answer
    x = 16,095.51

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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.