Home / 19,840.61-27,375.76-11,452.25

Finding the Fourth Proportional to 19,840.61, 27,375.76 and 11,452.25

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Solution

The fourth proportional to 19,840.61, 27,375.76 and 11,452.25 is: 15,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.61 : 27,375.76 = 11,452.25 : x
  2. Step 2: Convert to fraction form
    19,840.61/27,375.76 = 11,452.25/x
  3. Step 3: Cross multiply
    19,840.61x = 27,375.76 × 11,452.25
  4. Step 4: Simplify right side
    19,840.61x = 313,514,047.46
  5. Step 5: Solve for x
    x = 313,514,047.46/19,840.61
  6. Step 6: Final answer
    x = 15,801.63

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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.