Home / 13,650.14-20,481.91-4,885.74

Finding the Fourth Proportional to 13,650.14, 20,481.91 and 4,885.74

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Solution

The fourth proportional to 13,650.14, 20,481.91 and 4,885.74 is: 7,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.14 : 20,481.91 = 4,885.74 : x
  2. Step 2: Convert to fraction form
    13,650.14/20,481.91 = 4,885.74/x
  3. Step 3: Cross multiply
    13,650.14x = 20,481.91 × 4,885.74
  4. Step 4: Simplify right side
    13,650.14x = 100,069,274.75
  5. Step 5: Solve for x
    x = 100,069,274.75/13,650.14
  6. Step 6: Final answer
    x = 7,331.01

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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.