Home / 12,682.44-19,026.06-3,915.31

Finding the Fourth Proportional to 12,682.44, 19,026.06 and 3,915.31

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Solution

The fourth proportional to 12,682.44, 19,026.06 and 3,915.31 is: 5,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.44 : 19,026.06 = 3,915.31 : x
  2. Step 2: Convert to fraction form
    12,682.44/19,026.06 = 3,915.31/x
  3. Step 3: Cross multiply
    12,682.44x = 19,026.06 × 3,915.31
  4. Step 4: Simplify right side
    12,682.44x = 74,492,860.73
  5. Step 5: Solve for x
    x = 74,492,860.73/12,682.44
  6. Step 6: Final answer
    x = 5,873.70

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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.