Home / 20,053.66-27,672.15-11,668.54

Finding the Fourth Proportional to 20,053.66, 27,672.15 and 11,668.54

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Solution

The fourth proportional to 20,053.66, 27,672.15 and 11,668.54 is: 16,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.66 : 27,672.15 = 11,668.54 : x
  2. Step 2: Convert to fraction form
    20,053.66/27,672.15 = 11,668.54/x
  3. Step 3: Cross multiply
    20,053.66x = 27,672.15 × 11,668.54
  4. Step 4: Simplify right side
    20,053.66x = 322,893,589.16
  5. Step 5: Solve for x
    x = 322,893,589.16/20,053.66
  6. Step 6: Final answer
    x = 16,101.48

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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.