Home / 13,591.24-18,757.11-7,622.86

Finding the Fourth Proportional to 13,591.24, 18,757.11 and 7,622.86

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Solution

The fourth proportional to 13,591.24, 18,757.11 and 7,622.86 is: 10,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.24 : 18,757.11 = 7,622.86 : x
  2. Step 2: Convert to fraction form
    13,591.24/18,757.11 = 7,622.86/x
  3. Step 3: Cross multiply
    13,591.24x = 18,757.11 × 7,622.86
  4. Step 4: Simplify right side
    13,591.24x = 142,982,823.53
  5. Step 5: Solve for x
    x = 142,982,823.53/13,591.24
  6. Step 6: Final answer
    x = 10,520.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.