Home / 12,694.32-19,044.72-4,905.36

Finding the Fourth Proportional to 12,694.32, 19,044.72 and 4,905.36

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Solution

The fourth proportional to 12,694.32, 19,044.72 and 4,905.36 is: 7,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.32 : 19,044.72 = 4,905.36 : x
  2. Step 2: Convert to fraction form
    12,694.32/19,044.72 = 4,905.36/x
  3. Step 3: Cross multiply
    12,694.32x = 19,044.72 × 4,905.36
  4. Step 4: Simplify right side
    12,694.32x = 93,421,207.70
  5. Step 5: Solve for x
    x = 93,421,207.70/12,694.32
  6. Step 6: Final answer
    x = 7,359.29

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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.