Home / 18,745.72-25,858.86-12,023.87

Finding the Fourth Proportional to 18,745.72, 25,858.86 and 12,023.87

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Solution

The fourth proportional to 18,745.72, 25,858.86 and 12,023.87 is: 16,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.72 : 25,858.86 = 12,023.87 : x
  2. Step 2: Convert to fraction form
    18,745.72/25,858.86 = 12,023.87/x
  3. Step 3: Cross multiply
    18,745.72x = 25,858.86 × 12,023.87
  4. Step 4: Simplify right side
    18,745.72x = 310,923,570.99
  5. Step 5: Solve for x
    x = 310,923,570.99/18,745.72
  6. Step 6: Final answer
    x = 16,586.38

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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.