Home / 18,584.72-25,629.89-12,208.78

Finding the Fourth Proportional to 18,584.72, 25,629.89 and 12,208.78

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Solution

The fourth proportional to 18,584.72, 25,629.89 and 12,208.78 is: 16,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.72 : 25,629.89 = 12,208.78 : x
  2. Step 2: Convert to fraction form
    18,584.72/25,629.89 = 12,208.78/x
  3. Step 3: Cross multiply
    18,584.72x = 25,629.89 × 12,208.78
  4. Step 4: Simplify right side
    18,584.72x = 312,909,618.27
  5. Step 5: Solve for x
    x = 312,909,618.27/18,584.72
  6. Step 6: Final answer
    x = 16,836.93

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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.