Home / 19,584.78-27,027.54-11,085.18

Finding the Fourth Proportional to 19,584.78, 27,027.54 and 11,085.18

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Solution

The fourth proportional to 19,584.78, 27,027.54 and 11,085.18 is: 15,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584.78 : 27,027.54 = 11,085.18 : x
  2. Step 2: Convert to fraction form
    19,584.78/27,027.54 = 11,085.18/x
  3. Step 3: Cross multiply
    19,584.78x = 27,027.54 × 11,085.18
  4. Step 4: Simplify right side
    19,584.78x = 299,605,145.86
  5. Step 5: Solve for x
    x = 299,605,145.86/19,584.78
  6. Step 6: Final answer
    x = 15,297.86

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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.