Home / 18,348.96-25,321.60-9,965.44

Finding the Fourth Proportional to 18,348.96, 25,321.60 and 9,965.44

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Solution

The fourth proportional to 18,348.96, 25,321.60 and 9,965.44 is: 13,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.96 : 25,321.60 = 9,965.44 : x
  2. Step 2: Convert to fraction form
    18,348.96/25,321.60 = 9,965.44/x
  3. Step 3: Cross multiply
    18,348.96x = 25,321.60 × 9,965.44
  4. Step 4: Simplify right side
    18,348.96x = 252,340,885.50
  5. Step 5: Solve for x
    x = 252,340,885.50/18,348.96
  6. Step 6: Final answer
    x = 13,752.33

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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.