Home / 19,709.52-27,188.76-12,244.56

Finding the Fourth Proportional to 19,709.52, 27,188.76 and 12,244.56

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Solution

The fourth proportional to 19,709.52, 27,188.76 and 12,244.56 is: 16,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.52 : 27,188.76 = 12,244.56 : x
  2. Step 2: Convert to fraction form
    19,709.52/27,188.76 = 12,244.56/x
  3. Step 3: Cross multiply
    19,709.52x = 27,188.76 × 12,244.56
  4. Step 4: Simplify right side
    19,709.52x = 332,914,403.15
  5. Step 5: Solve for x
    x = 332,914,403.15/19,709.52
  6. Step 6: Final answer
    x = 16,891.05

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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.