Home / 19,672.44-27,153.90-12,867.54

Finding the Fourth Proportional to 19,672.44, 27,153.90 and 12,867.54

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Solution

The fourth proportional to 19,672.44, 27,153.90 and 12,867.54 is: 17,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.44 : 27,153.90 = 12,867.54 : x
  2. Step 2: Convert to fraction form
    19,672.44/27,153.90 = 12,867.54/x
  3. Step 3: Cross multiply
    19,672.44x = 27,153.90 × 12,867.54
  4. Step 4: Simplify right side
    19,672.44x = 349,403,894.41
  5. Step 5: Solve for x
    x = 349,403,894.41/19,672.44
  6. Step 6: Final answer
    x = 17,761.09

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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.