Home / 19,746.26-27,247.20-12,682.25

Finding the Fourth Proportional to 19,746.26, 27,247.20 and 12,682.25

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Solution

The fourth proportional to 19,746.26, 27,247.20 and 12,682.25 is: 17,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.26 : 27,247.20 = 12,682.25 : x
  2. Step 2: Convert to fraction form
    19,746.26/27,247.20 = 12,682.25/x
  3. Step 3: Cross multiply
    19,746.26x = 27,247.20 × 12,682.25
  4. Step 4: Simplify right side
    19,746.26x = 345,555,665.96
  5. Step 5: Solve for x
    x = 345,555,665.96/19,746.26
  6. Step 6: Final answer
    x = 17,499.81

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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.