Home / 13,507.31-20,255.54-5,604.44

Finding the Fourth Proportional to 13,507.31, 20,255.54 and 5,604.44

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Solution

The fourth proportional to 13,507.31, 20,255.54 and 5,604.44 is: 8,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.31 : 20,255.54 = 5,604.44 : x
  2. Step 2: Convert to fraction form
    13,507.31/20,255.54 = 5,604.44/x
  3. Step 3: Cross multiply
    13,507.31x = 20,255.54 × 5,604.44
  4. Step 4: Simplify right side
    13,507.31x = 113,520,990.52
  5. Step 5: Solve for x
    x = 113,520,990.52/13,507.31
  6. Step 6: Final answer
    x = 8,404.41

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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.