Home / 20,127.30-30,190.95-16,433.70

Finding the Fourth Proportional to 20,127.30, 30,190.95 and 16,433.70

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Solution

The fourth proportional to 20,127.30, 30,190.95 and 16,433.70 is: 24,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.30 : 30,190.95 = 16,433.70 : x
  2. Step 2: Convert to fraction form
    20,127.30/30,190.95 = 16,433.70/x
  3. Step 3: Cross multiply
    20,127.30x = 30,190.95 × 16,433.70
  4. Step 4: Simplify right side
    20,127.30x = 496,149,015.02
  5. Step 5: Solve for x
    x = 496,149,015.02/20,127.30
  6. Step 6: Final answer
    x = 24,650.55

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Half scale
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Double scale
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Similar ratio
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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.