Home / 18,244.92-25,178.00-9,861.42

Finding the Fourth Proportional to 18,244.92, 25,178.00 and 9,861.42

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Solution

The fourth proportional to 18,244.92, 25,178.00 and 9,861.42 is: 13,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.92 : 25,178.00 = 9,861.42 : x
  2. Step 2: Convert to fraction form
    18,244.92/25,178.00 = 9,861.42/x
  3. Step 3: Cross multiply
    18,244.92x = 25,178.00 × 9,861.42
  4. Step 4: Simplify right side
    18,244.92x = 248,290,877.87
  5. Step 5: Solve for x
    x = 248,290,877.87/18,244.92
  6. Step 6: Final answer
    x = 13,608.76

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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.