Home / 18,353.24-25,327.62-9,969.80

Finding the Fourth Proportional to 18,353.24, 25,327.62 and 9,969.80

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Solution

The fourth proportional to 18,353.24, 25,327.62 and 9,969.80 is: 13,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.24 : 25,327.62 = 9,969.80 : x
  2. Step 2: Convert to fraction form
    18,353.24/25,327.62 = 9,969.80/x
  3. Step 3: Cross multiply
    18,353.24x = 25,327.62 × 9,969.80
  4. Step 4: Simplify right side
    18,353.24x = 252,511,305.88
  5. Step 5: Solve for x
    x = 252,511,305.88/18,353.24
  6. Step 6: Final answer
    x = 13,758.40

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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.