Home / 13,799.01-20,695.62-3,935.64

Finding the Fourth Proportional to 13,799.01, 20,695.62 and 3,935.64

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Solution

The fourth proportional to 13,799.01, 20,695.62 and 3,935.64 is: 5,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.01 : 20,695.62 = 3,935.64 : x
  2. Step 2: Convert to fraction form
    13,799.01/20,695.62 = 3,935.64/x
  3. Step 3: Cross multiply
    13,799.01x = 20,695.62 × 3,935.64
  4. Step 4: Simplify right side
    13,799.01x = 81,450,509.90
  5. Step 5: Solve for x
    x = 81,450,509.90/13,799.01
  6. Step 6: Final answer
    x = 5,902.63

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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.