Home / 13,591.48-20,384.07-3,731.56

Finding the Fourth Proportional to 13,591.48, 20,384.07 and 3,731.56

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Solution

The fourth proportional to 13,591.48, 20,384.07 and 3,731.56 is: 5,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.48 : 20,384.07 = 3,731.56 : x
  2. Step 2: Convert to fraction form
    13,591.48/20,384.07 = 3,731.56/x
  3. Step 3: Cross multiply
    13,591.48x = 20,384.07 × 3,731.56
  4. Step 4: Simplify right side
    13,591.48x = 76,064,380.25
  5. Step 5: Solve for x
    x = 76,064,380.25/13,591.48
  6. Step 6: Final answer
    x = 5,596.48

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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.