Home / 12,769.03-19,142.20-4,976.02

Finding the Fourth Proportional to 12,769.03, 19,142.20 and 4,976.02

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Solution

The fourth proportional to 12,769.03, 19,142.20 and 4,976.02 is: 7,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.03 : 19,142.20 = 4,976.02 : x
  2. Step 2: Convert to fraction form
    12,769.03/19,142.20 = 4,976.02/x
  3. Step 3: Cross multiply
    12,769.03x = 19,142.20 × 4,976.02
  4. Step 4: Simplify right side
    12,769.03x = 95,251,970.04
  5. Step 5: Solve for x
    x = 95,251,970.04/12,769.03
  6. Step 6: Final answer
    x = 7,459.61

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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.