Home / 13,906.55-20,867.41-5,900.08

Finding the Fourth Proportional to 13,906.55, 20,867.41 and 5,900.08

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Solution

The fourth proportional to 13,906.55, 20,867.41 and 5,900.08 is: 8,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.55 : 20,867.41 = 5,900.08 : x
  2. Step 2: Convert to fraction form
    13,906.55/20,867.41 = 5,900.08/x
  3. Step 3: Cross multiply
    13,906.55x = 20,867.41 × 5,900.08
  4. Step 4: Simplify right side
    13,906.55x = 123,119,382.73
  5. Step 5: Solve for x
    x = 123,119,382.73/13,906.55
  6. Step 6: Final answer
    x = 8,853.34

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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.