Home / 13,377.64-20,047.02-7,504.33

Finding the Fourth Proportional to 13,377.64, 20,047.02 and 7,504.33

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Solution

The fourth proportional to 13,377.64, 20,047.02 and 7,504.33 is: 11,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.64 : 20,047.02 = 7,504.33 : x
  2. Step 2: Convert to fraction form
    13,377.64/20,047.02 = 7,504.33/x
  3. Step 3: Cross multiply
    13,377.64x = 20,047.02 × 7,504.33
  4. Step 4: Simplify right side
    13,377.64x = 150,439,453.60
  5. Step 5: Solve for x
    x = 150,439,453.60/13,377.64
  6. Step 6: Final answer
    x = 11,245.59

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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.