Home / 19,987.06-27,582.18-11,034.56

Finding the Fourth Proportional to 19,987.06, 27,582.18 and 11,034.56

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Solution

The fourth proportional to 19,987.06, 27,582.18 and 11,034.56 is: 15,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.06 : 27,582.18 = 11,034.56 : x
  2. Step 2: Convert to fraction form
    19,987.06/27,582.18 = 11,034.56/x
  3. Step 3: Cross multiply
    19,987.06x = 27,582.18 × 11,034.56
  4. Step 4: Simplify right side
    19,987.06x = 304,357,220.14
  5. Step 5: Solve for x
    x = 304,357,220.14/19,987.06
  6. Step 6: Final answer
    x = 15,227.71

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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.