Home / 19,987.42-27,582.48-11,034.94

Finding the Fourth Proportional to 19,987.42, 27,582.48 and 11,034.94

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Solution

The fourth proportional to 19,987.42, 27,582.48 and 11,034.94 is: 15,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987.42 : 27,582.48 = 11,034.94 : x
  2. Step 2: Convert to fraction form
    19,987.42/27,582.48 = 11,034.94/x
  3. Step 3: Cross multiply
    19,987.42x = 27,582.48 × 11,034.94
  4. Step 4: Simplify right side
    19,987.42x = 304,371,011.85
  5. Step 5: Solve for x
    x = 304,371,011.85/19,987.42
  6. Step 6: Final answer
    x = 15,228.13

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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.