Home / 19,954.88-27,536.40-11,001.80

Finding the Fourth Proportional to 19,954.88, 27,536.40 and 11,001.80

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Solution

The fourth proportional to 19,954.88, 27,536.40 and 11,001.80 is: 15,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.88 : 27,536.40 = 11,001.80 : x
  2. Step 2: Convert to fraction form
    19,954.88/27,536.40 = 11,001.80/x
  3. Step 3: Cross multiply
    19,954.88x = 27,536.40 × 11,001.80
  4. Step 4: Simplify right side
    19,954.88x = 302,949,965.52
  5. Step 5: Solve for x
    x = 302,949,965.52/19,954.88
  6. Step 6: Final answer
    x = 15,181.75

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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.