Home / 18,296.35-25,248.96-9,912.85

Finding the Fourth Proportional to 18,296.35, 25,248.96 and 9,912.85

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Solution

The fourth proportional to 18,296.35, 25,248.96 and 9,912.85 is: 13,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.35 : 25,248.96 = 9,912.85 : x
  2. Step 2: Convert to fraction form
    18,296.35/25,248.96 = 9,912.85/x
  3. Step 3: Cross multiply
    18,296.35x = 25,248.96 × 9,912.85
  4. Step 4: Simplify right side
    18,296.35x = 250,289,090.01
  5. Step 5: Solve for x
    x = 250,289,090.01/18,296.35
  6. Step 6: Final answer
    x = 13,679.73

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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.