Home / 19,351.09-26,693.19-12,169.64

Finding the Fourth Proportional to 19,351.09, 26,693.19 and 12,169.64

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Solution

The fourth proportional to 19,351.09, 26,693.19 and 12,169.64 is: 16,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.09 : 26,693.19 = 12,169.64 : x
  2. Step 2: Convert to fraction form
    19,351.09/26,693.19 = 12,169.64/x
  3. Step 3: Cross multiply
    19,351.09x = 26,693.19 × 12,169.64
  4. Step 4: Simplify right side
    19,351.09x = 324,846,512.75
  5. Step 5: Solve for x
    x = 324,846,512.75/19,351.09
  6. Step 6: Final answer
    x = 16,786.99

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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.