Home / 20,051.24-27,672.77-11,553.68

Finding the Fourth Proportional to 20,051.24, 27,672.77 and 11,553.68

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Solution

The fourth proportional to 20,051.24, 27,672.77 and 11,553.68 is: 15,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.24 : 27,672.77 = 11,553.68 : x
  2. Step 2: Convert to fraction form
    20,051.24/27,672.77 = 11,553.68/x
  3. Step 3: Cross multiply
    20,051.24x = 27,672.77 × 11,553.68
  4. Step 4: Simplify right side
    20,051.24x = 319,722,329.29
  5. Step 5: Solve for x
    x = 319,722,329.29/20,051.24
  6. Step 6: Final answer
    x = 15,945.26

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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.