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Finding the Fourth Proportional to 14,438.00, 19,924.22 and 8,064.68

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Solution

The fourth proportional to 14,438.00, 19,924.22 and 8,064.68 is: 11,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.00 : 19,924.22 = 8,064.68 : x
  2. Step 2: Convert to fraction form
    14,438.00/19,924.22 = 8,064.68/x
  3. Step 3: Cross multiply
    14,438.00x = 19,924.22 × 8,064.68
  4. Step 4: Simplify right side
    14,438.00x = 160,682,348.85
  5. Step 5: Solve for x
    x = 160,682,348.85/14,438.00
  6. Step 6: Final answer
    x = 11,129.13

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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.