Home / 20,242.29-27,937.73-11,751.46

Finding the Fourth Proportional to 20,242.29, 27,937.73 and 11,751.46

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Solution

The fourth proportional to 20,242.29, 27,937.73 and 11,751.46 is: 16,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.29 : 27,937.73 = 11,751.46 : x
  2. Step 2: Convert to fraction form
    20,242.29/27,937.73 = 11,751.46/x
  3. Step 3: Cross multiply
    20,242.29x = 27,937.73 × 11,751.46
  4. Step 4: Simplify right side
    20,242.29x = 328,309,116.59
  5. Step 5: Solve for x
    x = 328,309,116.59/20,242.29
  6. Step 6: Final answer
    x = 16,218.97

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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.