Home / 12,714.39-19,077.26-4,923.81

Finding the Fourth Proportional to 12,714.39, 19,077.26 and 4,923.81

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Solution

The fourth proportional to 12,714.39, 19,077.26 and 4,923.81 is: 7,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.39 : 19,077.26 = 4,923.81 : x
  2. Step 2: Convert to fraction form
    12,714.39/19,077.26 = 4,923.81/x
  3. Step 3: Cross multiply
    12,714.39x = 19,077.26 × 4,923.81
  4. Step 4: Simplify right side
    12,714.39x = 93,932,778.94
  5. Step 5: Solve for x
    x = 93,932,778.94/12,714.39
  6. Step 6: Final answer
    x = 7,387.91

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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.