Home / 22,353.85-30,847.80-12,144.75

Finding the Fourth Proportional to 22,353.85, 30,847.80 and 12,144.75

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Solution

The fourth proportional to 22,353.85, 30,847.80 and 12,144.75 is: 16,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,353.85 : 30,847.80 = 12,144.75 : x
  2. Step 2: Convert to fraction form
    22,353.85/30,847.80 = 12,144.75/x
  3. Step 3: Cross multiply
    22,353.85x = 30,847.80 × 12,144.75
  4. Step 4: Simplify right side
    22,353.85x = 374,638,819.05
  5. Step 5: Solve for x
    x = 374,638,819.05/22,353.85
  6. Step 6: Final answer
    x = 16,759.48

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Half scale
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Double scale
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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.