Home / 19,010.26-26,221.80-12,193.49

Finding the Fourth Proportional to 19,010.26, 26,221.80 and 12,193.49

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Solution

The fourth proportional to 19,010.26, 26,221.80 and 12,193.49 is: 16,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.26 : 26,221.80 = 12,193.49 : x
  2. Step 2: Convert to fraction form
    19,010.26/26,221.80 = 12,193.49/x
  3. Step 3: Cross multiply
    19,010.26x = 26,221.80 × 12,193.49
  4. Step 4: Simplify right side
    19,010.26x = 319,735,185.57
  5. Step 5: Solve for x
    x = 319,735,185.57/19,010.26
  6. Step 6: Final answer
    x = 16,819.09

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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.