Home / 13,367.70-20,051.28-5,574.60

Finding the Fourth Proportional to 13,367.70, 20,051.28 and 5,574.60

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Solution

The fourth proportional to 13,367.70, 20,051.28 and 5,574.60 is: 8,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.70 : 20,051.28 = 5,574.60 : x
  2. Step 2: Convert to fraction form
    13,367.70/20,051.28 = 5,574.60/x
  3. Step 3: Cross multiply
    13,367.70x = 20,051.28 × 5,574.60
  4. Step 4: Simplify right side
    13,367.70x = 111,777,865.49
  5. Step 5: Solve for x
    x = 111,777,865.49/13,367.70
  6. Step 6: Final answer
    x = 8,361.79

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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.