Home / 18,684.24-25,762.92-13,960.56

Finding the Fourth Proportional to 18,684.24, 25,762.92 and 13,960.56

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Solution

The fourth proportional to 18,684.24, 25,762.92 and 13,960.56 is: 19,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.24 : 25,762.92 = 13,960.56 : x
  2. Step 2: Convert to fraction form
    18,684.24/25,762.92 = 13,960.56/x
  3. Step 3: Cross multiply
    18,684.24x = 25,762.92 × 13,960.56
  4. Step 4: Simplify right side
    18,684.24x = 359,664,790.44
  5. Step 5: Solve for x
    x = 359,664,790.44/18,684.24
  6. Step 6: Final answer
    x = 19,249.63

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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.