Home / 13,846.26-20,769.39-5,077.86

Finding the Fourth Proportional to 13,846.26, 20,769.39 and 5,077.86

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Solution

The fourth proportional to 13,846.26, 20,769.39 and 5,077.86 is: 7,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.26 : 20,769.39 = 5,077.86 : x
  2. Step 2: Convert to fraction form
    13,846.26/20,769.39 = 5,077.86/x
  3. Step 3: Cross multiply
    13,846.26x = 20,769.39 × 5,077.86
  4. Step 4: Simplify right side
    13,846.26x = 105,464,054.71
  5. Step 5: Solve for x
    x = 105,464,054.71/13,846.26
  6. Step 6: Final answer
    x = 7,616.79

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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.