Home / 20,496.04-28,241.22-16,521.64

Finding the Fourth Proportional to 20,496.04, 28,241.22 and 16,521.64

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Solution

The fourth proportional to 20,496.04, 28,241.22 and 16,521.64 is: 22,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.04 : 28,241.22 = 16,521.64 : x
  2. Step 2: Convert to fraction form
    20,496.04/28,241.22 = 16,521.64/x
  3. Step 3: Cross multiply
    20,496.04x = 28,241.22 × 16,521.64
  4. Step 4: Simplify right side
    20,496.04x = 466,591,270.00
  5. Step 5: Solve for x
    x = 466,591,270.00/20,496.04
  6. Step 6: Final answer
    x = 22,764.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.