Home / 18,584.68-25,658.42-12,917.64

Finding the Fourth Proportional to 18,584.68, 25,658.42 and 12,917.64

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Solution

The fourth proportional to 18,584.68, 25,658.42 and 12,917.64 is: 17,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.68 : 25,658.42 = 12,917.64 : x
  2. Step 2: Convert to fraction form
    18,584.68/25,658.42 = 12,917.64/x
  3. Step 3: Cross multiply
    18,584.68x = 25,658.42 × 12,917.64
  4. Step 4: Simplify right side
    18,584.68x = 331,446,232.53
  5. Step 5: Solve for x
    x = 331,446,232.53/18,584.68
  6. Step 6: Final answer
    x = 17,834.38

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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.