Home / 13,756.67-20,636.37-4,992.26

Finding the Fourth Proportional to 13,756.67, 20,636.37 and 4,992.26

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Solution

The fourth proportional to 13,756.67, 20,636.37 and 4,992.26 is: 7,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.67 : 20,636.37 = 4,992.26 : x
  2. Step 2: Convert to fraction form
    13,756.67/20,636.37 = 4,992.26/x
  3. Step 3: Cross multiply
    13,756.67x = 20,636.37 × 4,992.26
  4. Step 4: Simplify right side
    13,756.67x = 103,022,176.09
  5. Step 5: Solve for x
    x = 103,022,176.09/13,756.67
  6. Step 6: Final answer
    x = 7,488.89

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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.