Home / 32,885.73-45,382.34-18,738.56

Finding the Fourth Proportional to 32,885.73, 45,382.34 and 18,738.56

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Solution

The fourth proportional to 32,885.73, 45,382.34 and 18,738.56 is: 25,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.73 : 45,382.34 = 18,738.56 : x
  2. Step 2: Convert to fraction form
    32,885.73/45,382.34 = 18,738.56/x
  3. Step 3: Cross multiply
    32,885.73x = 45,382.34 × 18,738.56
  4. Step 4: Simplify right side
    32,885.73x = 850,399,861.33
  5. Step 5: Solve for x
    x = 850,399,861.33/32,885.73
  6. Step 6: Final answer
    x = 25,859.24

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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.