Home / 18,504.99-25,529.72-11,789.42

Finding the Fourth Proportional to 18,504.99, 25,529.72 and 11,789.42

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Solution

The fourth proportional to 18,504.99, 25,529.72 and 11,789.42 is: 16,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.99 : 25,529.72 = 11,789.42 : x
  2. Step 2: Convert to fraction form
    18,504.99/25,529.72 = 11,789.42/x
  3. Step 3: Cross multiply
    18,504.99x = 25,529.72 × 11,789.42
  4. Step 4: Simplify right side
    18,504.99x = 300,980,404.97
  5. Step 5: Solve for x
    x = 300,980,404.97/18,504.99
  6. Step 6: Final answer
    x = 16,264.82

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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.