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Finding the Fourth Proportional to 14,555.76, 21,794.76 and 11,361.12

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Solution

The fourth proportional to 14,555.76, 21,794.76 and 11,361.12 is: 17,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.76 : 21,794.76 = 11,361.12 : x
  2. Step 2: Convert to fraction form
    14,555.76/21,794.76 = 11,361.12/x
  3. Step 3: Cross multiply
    14,555.76x = 21,794.76 × 11,361.12
  4. Step 4: Simplify right side
    14,555.76x = 247,612,883.73
  5. Step 5: Solve for x
    x = 247,612,883.73/14,555.76
  6. Step 6: Final answer
    x = 17,011.33

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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.