Home / 13,960.93-20,926.34-5,636.65

Finding the Fourth Proportional to 13,960.93, 20,926.34 and 5,636.65

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Solution

The fourth proportional to 13,960.93, 20,926.34 and 5,636.65 is: 8,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.93 : 20,926.34 = 5,636.65 : x
  2. Step 2: Convert to fraction form
    13,960.93/20,926.34 = 5,636.65/x
  3. Step 3: Cross multiply
    13,960.93x = 20,926.34 × 5,636.65
  4. Step 4: Simplify right side
    13,960.93x = 117,954,454.36
  5. Step 5: Solve for x
    x = 117,954,454.36/13,960.93
  6. Step 6: Final answer
    x = 8,448.90

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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.