Home / 23,993.28-33,093.55-20,800.86

Finding the Fourth Proportional to 23,993.28, 33,093.55 and 20,800.86

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Solution

The fourth proportional to 23,993.28, 33,093.55 and 20,800.86 is: 28,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.28 : 33,093.55 = 20,800.86 : x
  2. Step 2: Convert to fraction form
    23,993.28/33,093.55 = 20,800.86/x
  3. Step 3: Cross multiply
    23,993.28x = 33,093.55 × 20,800.86
  4. Step 4: Simplify right side
    23,993.28x = 688,374,300.45
  5. Step 5: Solve for x
    x = 688,374,300.45/23,993.28
  6. Step 6: Final answer
    x = 28,690.30

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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.