Home / 19,987.58-27,582.59-11,035.06

Finding the Fourth Proportional to 19,987.58, 27,582.59 and 11,035.06

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Solution

The fourth proportional to 19,987.58, 27,582.59 and 11,035.06 is: 15,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.58 : 27,582.59 = 11,035.06 : x
  2. Step 2: Convert to fraction form
    19,987.58/27,582.59 = 11,035.06/x
  3. Step 3: Cross multiply
    19,987.58x = 27,582.59 × 11,035.06
  4. Step 4: Simplify right side
    19,987.58x = 304,375,494.24
  5. Step 5: Solve for x
    x = 304,375,494.24/19,987.58
  6. Step 6: Final answer
    x = 15,228.23

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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.