Home / 19,451.36-26,832.07-12,747.80

Finding the Fourth Proportional to 19,451.36, 26,832.07 and 12,747.80

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Solution

The fourth proportional to 19,451.36, 26,832.07 and 12,747.80 is: 17,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.36 : 26,832.07 = 12,747.80 : x
  2. Step 2: Convert to fraction form
    19,451.36/26,832.07 = 12,747.80/x
  3. Step 3: Cross multiply
    19,451.36x = 26,832.07 × 12,747.80
  4. Step 4: Simplify right side
    19,451.36x = 342,049,861.95
  5. Step 5: Solve for x
    x = 342,049,861.95/19,451.36
  6. Step 6: Final answer
    x = 17,584.88

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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.