Home / 19,169.15-26,453.45-11,209.91

Finding the Fourth Proportional to 19,169.15, 26,453.45 and 11,209.91

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Solution

The fourth proportional to 19,169.15, 26,453.45 and 11,209.91 is: 15,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.15 : 26,453.45 = 11,209.91 : x
  2. Step 2: Convert to fraction form
    19,169.15/26,453.45 = 11,209.91/x
  3. Step 3: Cross multiply
    19,169.15x = 26,453.45 × 11,209.91
  4. Step 4: Simplify right side
    19,169.15x = 296,540,793.69
  5. Step 5: Solve for x
    x = 296,540,793.69/19,169.15
  6. Step 6: Final answer
    x = 15,469.69

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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.