Home / 13,754.75-20,591.89-12,441.53

Finding the Fourth Proportional to 13,754.75, 20,591.89 and 12,441.53

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Solution

The fourth proportional to 13,754.75, 20,591.89 and 12,441.53 is: 18,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.75 : 20,591.89 = 12,441.53 : x
  2. Step 2: Convert to fraction form
    13,754.75/20,591.89 = 12,441.53/x
  3. Step 3: Cross multiply
    13,754.75x = 20,591.89 × 12,441.53
  4. Step 4: Simplify right side
    13,754.75x = 256,194,637.57
  5. Step 5: Solve for x
    x = 256,194,637.57/13,754.75
  6. Step 6: Final answer
    x = 18,625.91

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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.