Home / 13,992.33-20,993.36-6,206.61

Finding the Fourth Proportional to 13,992.33, 20,993.36 and 6,206.61

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Solution

The fourth proportional to 13,992.33, 20,993.36 and 6,206.61 is: 9,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.33 : 20,993.36 = 6,206.61 : x
  2. Step 2: Convert to fraction form
    13,992.33/20,993.36 = 6,206.61/x
  3. Step 3: Cross multiply
    13,992.33x = 20,993.36 × 6,206.61
  4. Step 4: Simplify right side
    13,992.33x = 130,297,567.08
  5. Step 5: Solve for x
    x = 130,297,567.08/13,992.33
  6. Step 6: Final answer
    x = 9,312.07

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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.