Home / 20,797.14-28,692.85-16,276.13

Finding the Fourth Proportional to 20,797.14, 28,692.85 and 16,276.13

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Solution

The fourth proportional to 20,797.14, 28,692.85 and 16,276.13 is: 22,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.14 : 28,692.85 = 16,276.13 : x
  2. Step 2: Convert to fraction form
    20,797.14/28,692.85 = 16,276.13/x
  3. Step 3: Cross multiply
    20,797.14x = 28,692.85 × 16,276.13
  4. Step 4: Simplify right side
    20,797.14x = 467,008,556.67
  5. Step 5: Solve for x
    x = 467,008,556.67/20,797.14
  6. Step 6: Final answer
    x = 22,455.42

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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.