Home / 19,411.32-26,786.70-11,027.64

Finding the Fourth Proportional to 19,411.32, 26,786.70 and 11,027.64

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Solution

The fourth proportional to 19,411.32, 26,786.70 and 11,027.64 is: 15,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.32 : 26,786.70 = 11,027.64 : x
  2. Step 2: Convert to fraction form
    19,411.32/26,786.70 = 11,027.64/x
  3. Step 3: Cross multiply
    19,411.32x = 26,786.70 × 11,027.64
  4. Step 4: Simplify right side
    19,411.32x = 295,394,084.39
  5. Step 5: Solve for x
    x = 295,394,084.39/19,411.32
  6. Step 6: Final answer
    x = 15,217.62

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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.