Home / 13,992.06-20,991.72-6,199.02

Finding the Fourth Proportional to 13,992.06, 20,991.72 and 6,199.02

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Solution

The fourth proportional to 13,992.06, 20,991.72 and 6,199.02 is: 9,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.06 : 20,991.72 = 6,199.02 : x
  2. Step 2: Convert to fraction form
    13,992.06/20,991.72 = 6,199.02/x
  3. Step 3: Cross multiply
    13,992.06x = 20,991.72 × 6,199.02
  4. Step 4: Simplify right side
    13,992.06x = 130,128,092.11
  5. Step 5: Solve for x
    x = 130,128,092.11/13,992.06
  6. Step 6: Final answer
    x = 9,300.14

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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.