Home / 33,905.16-50,861.12-12,563.60

Finding the Fourth Proportional to 33,905.16, 50,861.12 and 12,563.60

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Solution

The fourth proportional to 33,905.16, 50,861.12 and 12,563.60 is: 18,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,905.16 : 50,861.12 = 12,563.60 : x
  2. Step 2: Convert to fraction form
    33,905.16/50,861.12 = 12,563.60/x
  3. Step 3: Cross multiply
    33,905.16x = 50,861.12 × 12,563.60
  4. Step 4: Simplify right side
    33,905.16x = 638,998,450.11
  5. Step 5: Solve for x
    x = 638,998,450.11/33,905.16
  6. Step 6: Final answer
    x = 18,846.64

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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.