Home / 19,824.93-27,360.72-11,328.44

Finding the Fourth Proportional to 19,824.93, 27,360.72 and 11,328.44

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Solution

The fourth proportional to 19,824.93, 27,360.72 and 11,328.44 is: 15,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.93 : 27,360.72 = 11,328.44 : x
  2. Step 2: Convert to fraction form
    19,824.93/27,360.72 = 11,328.44/x
  3. Step 3: Cross multiply
    19,824.93x = 27,360.72 × 11,328.44
  4. Step 4: Simplify right side
    19,824.93x = 309,954,138.07
  5. Step 5: Solve for x
    x = 309,954,138.07/19,824.93
  6. Step 6: Final answer
    x = 15,634.56

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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.