Home / 13,573.44-20,361.51-4,687.56

Finding the Fourth Proportional to 13,573.44, 20,361.51 and 4,687.56

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Solution

The fourth proportional to 13,573.44, 20,361.51 and 4,687.56 is: 7,031.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.44 : 20,361.51 = 4,687.56 : x
  2. Step 2: Convert to fraction form
    13,573.44/20,361.51 = 4,687.56/x
  3. Step 3: Cross multiply
    13,573.44x = 20,361.51 × 4,687.56
  4. Step 4: Simplify right side
    13,573.44x = 95,445,799.82
  5. Step 5: Solve for x
    x = 95,445,799.82/13,573.44
  6. Step 6: Final answer
    x = 7,031.81

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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.