Home / 13,731.06-20,596.56-3,342.72

Finding the Fourth Proportional to 13,731.06, 20,596.56 and 3,342.72

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Solution

The fourth proportional to 13,731.06, 20,596.56 and 3,342.72 is: 5,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.06 : 20,596.56 = 3,342.72 : x
  2. Step 2: Convert to fraction form
    13,731.06/20,596.56 = 3,342.72/x
  3. Step 3: Cross multiply
    13,731.06x = 20,596.56 × 3,342.72
  4. Step 4: Simplify right side
    13,731.06x = 68,848,533.04
  5. Step 5: Solve for x
    x = 68,848,533.04/13,731.06
  6. Step 6: Final answer
    x = 5,014.07

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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.