Home / 19,180.44-28,731.78-9,927

Finding the Fourth Proportional to 19,180.44, 28,731.78 and 9,927

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Solution

The fourth proportional to 19,180.44, 28,731.78 and 9,927 is: 14,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.44 : 28,731.78 = 9,927 : x
  2. Step 2: Convert to fraction form
    19,180.44/28,731.78 = 9,927/x
  3. Step 3: Cross multiply
    19,180.44x = 28,731.78 × 9,927
  4. Step 4: Simplify right side
    19,180.44x = 285,220,380.06
  5. Step 5: Solve for x
    x = 285,220,380.06/19,180.44
  6. Step 6: Final answer
    x = 14,870.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.