Home / 19,252.26-26,571.60-11,190.78

Finding the Fourth Proportional to 19,252.26, 26,571.60 and 11,190.78

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Solution

The fourth proportional to 19,252.26, 26,571.60 and 11,190.78 is: 15,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.26 : 26,571.60 = 11,190.78 : x
  2. Step 2: Convert to fraction form
    19,252.26/26,571.60 = 11,190.78/x
  3. Step 3: Cross multiply
    19,252.26x = 26,571.60 × 11,190.78
  4. Step 4: Simplify right side
    19,252.26x = 297,356,929.85
  5. Step 5: Solve for x
    x = 297,356,929.85/19,252.26
  6. Step 6: Final answer
    x = 15,445.30

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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.