Home / 20,392.97-30,611.84-16,203.16

Finding the Fourth Proportional to 20,392.97, 30,611.84 and 16,203.16

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Solution

The fourth proportional to 20,392.97, 30,611.84 and 16,203.16 is: 24,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.97 : 30,611.84 = 16,203.16 : x
  2. Step 2: Convert to fraction form
    20,392.97/30,611.84 = 16,203.16/x
  3. Step 3: Cross multiply
    20,392.97x = 30,611.84 × 16,203.16
  4. Step 4: Simplify right side
    20,392.97x = 496,008,383.87
  5. Step 5: Solve for x
    x = 496,008,383.87/20,392.97
  6. Step 6: Final answer
    x = 24,322.52

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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.