Home / 13,934.79-19,227.15-8,267.06

Finding the Fourth Proportional to 13,934.79, 19,227.15 and 8,267.06

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Solution

The fourth proportional to 13,934.79, 19,227.15 and 8,267.06 is: 11,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.79 : 19,227.15 = 8,267.06 : x
  2. Step 2: Convert to fraction form
    13,934.79/19,227.15 = 8,267.06/x
  3. Step 3: Cross multiply
    13,934.79x = 19,227.15 × 8,267.06
  4. Step 4: Simplify right side
    13,934.79x = 158,951,906.54
  5. Step 5: Solve for x
    x = 158,951,906.54/13,934.79
  6. Step 6: Final answer
    x = 11,406.84

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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.