Home / 18,559.07-25,611.60-11,107.07

Finding the Fourth Proportional to 18,559.07, 25,611.60 and 11,107.07

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Solution

The fourth proportional to 18,559.07, 25,611.60 and 11,107.07 is: 15,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.07 : 25,611.60 = 11,107.07 : x
  2. Step 2: Convert to fraction form
    18,559.07/25,611.60 = 11,107.07/x
  3. Step 3: Cross multiply
    18,559.07x = 25,611.60 × 11,107.07
  4. Step 4: Simplify right side
    18,559.07x = 284,469,834.01
  5. Step 5: Solve for x
    x = 284,469,834.01/18,559.07
  6. Step 6: Final answer
    x = 15,327.81

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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.