Home / 13,194.43-19,805.55-12,896.92

Finding the Fourth Proportional to 13,194.43, 19,805.55 and 12,896.92

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Solution

The fourth proportional to 13,194.43, 19,805.55 and 12,896.92 is: 19,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.43 : 19,805.55 = 12,896.92 : x
  2. Step 2: Convert to fraction form
    13,194.43/19,805.55 = 12,896.92/x
  3. Step 3: Cross multiply
    13,194.43x = 19,805.55 × 12,896.92
  4. Step 4: Simplify right side
    13,194.43x = 255,430,570.30
  5. Step 5: Solve for x
    x = 255,430,570.30/13,194.43
  6. Step 6: Final answer
    x = 19,358.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.