Home / 43,728.43-65,592.60-12,563.68

Finding the Fourth Proportional to 43,728.43, 65,592.60 and 12,563.68

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Solution

The fourth proportional to 43,728.43, 65,592.60 and 12,563.68 is: 18,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.43 : 65,592.60 = 12,563.68 : x
  2. Step 2: Convert to fraction form
    43,728.43/65,592.60 = 12,563.68/x
  3. Step 3: Cross multiply
    43,728.43x = 65,592.60 × 12,563.68
  4. Step 4: Simplify right side
    43,728.43x = 824,084,436.77
  5. Step 5: Solve for x
    x = 824,084,436.77/43,728.43
  6. Step 6: Final answer
    x = 18,845.51

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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.