Home / 13,731.84-20,597.76-3,343.56

Finding the Fourth Proportional to 13,731.84, 20,597.76 and 3,343.56

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Solution

The fourth proportional to 13,731.84, 20,597.76 and 3,343.56 is: 5,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.84 : 20,597.76 = 3,343.56 : x
  2. Step 2: Convert to fraction form
    13,731.84/20,597.76 = 3,343.56/x
  3. Step 3: Cross multiply
    13,731.84x = 20,597.76 × 3,343.56
  4. Step 4: Simplify right side
    13,731.84x = 68,869,846.43
  5. Step 5: Solve for x
    x = 68,869,846.43/13,731.84
  6. Step 6: Final answer
    x = 5,015.34

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1.5x scale

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.