Home / 19,987.83-27,583.74-11,035.44

Finding the Fourth Proportional to 19,987.83, 27,583.74 and 11,035.44

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Solution

The fourth proportional to 19,987.83, 27,583.74 and 11,035.44 is: 15,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.83 : 27,583.74 = 11,035.44 : x
  2. Step 2: Convert to fraction form
    19,987.83/27,583.74 = 11,035.44/x
  3. Step 3: Cross multiply
    19,987.83x = 27,583.74 × 11,035.44
  4. Step 4: Simplify right side
    19,987.83x = 304,398,707.75
  5. Step 5: Solve for x
    x = 304,398,707.75/19,987.83
  6. Step 6: Final answer
    x = 15,229.20

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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.