Home / 13,738.10-20,607.22-5,838.58

Finding the Fourth Proportional to 13,738.10, 20,607.22 and 5,838.58

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Solution

The fourth proportional to 13,738.10, 20,607.22 and 5,838.58 is: 8,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.10 : 20,607.22 = 5,838.58 : x
  2. Step 2: Convert to fraction form
    13,738.10/20,607.22 = 5,838.58/x
  3. Step 3: Cross multiply
    13,738.10x = 20,607.22 × 5,838.58
  4. Step 4: Simplify right side
    13,738.10x = 120,316,902.55
  5. Step 5: Solve for x
    x = 120,316,902.55/13,738.10
  6. Step 6: Final answer
    x = 8,757.90

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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.