Home / 12,994.38-19,479.84-4,672.44

Finding the Fourth Proportional to 12,994.38, 19,479.84 and 4,672.44

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Solution

The fourth proportional to 12,994.38, 19,479.84 and 4,672.44 is: 7,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.38 : 19,479.84 = 4,672.44 : x
  2. Step 2: Convert to fraction form
    12,994.38/19,479.84 = 4,672.44/x
  3. Step 3: Cross multiply
    12,994.38x = 19,479.84 × 4,672.44
  4. Step 4: Simplify right side
    12,994.38x = 91,018,383.61
  5. Step 5: Solve for x
    x = 91,018,383.61/12,994.38
  6. Step 6: Final answer
    x = 7,004.44

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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.