Home / 13,994.64-20,992.17-3,606.36

Finding the Fourth Proportional to 13,994.64, 20,992.17 and 3,606.36

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Solution

The fourth proportional to 13,994.64, 20,992.17 and 3,606.36 is: 5,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.64 : 20,992.17 = 3,606.36 : x
  2. Step 2: Convert to fraction form
    13,994.64/20,992.17 = 3,606.36/x
  3. Step 3: Cross multiply
    13,994.64x = 20,992.17 × 3,606.36
  4. Step 4: Simplify right side
    13,994.64x = 75,705,322.20
  5. Step 5: Solve for x
    x = 75,705,322.20/13,994.64
  6. Step 6: Final answer
    x = 5,409.59

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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.