Home / 19,744.24-27,244.44-12,680.24

Finding the Fourth Proportional to 19,744.24, 27,244.44 and 12,680.24

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Solution

The fourth proportional to 19,744.24, 27,244.44 and 12,680.24 is: 17,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.24 : 27,244.44 = 12,680.24 : x
  2. Step 2: Convert to fraction form
    19,744.24/27,244.44 = 12,680.24/x
  3. Step 3: Cross multiply
    19,744.24x = 27,244.44 × 12,680.24
  4. Step 4: Simplify right side
    19,744.24x = 345,466,037.87
  5. Step 5: Solve for x
    x = 345,466,037.87/19,744.24
  6. Step 6: Final answer
    x = 17,497.05

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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.