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Finding the Fourth Proportional to 14,302.67, 19,739.61 and 8,336.21

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Solution

The fourth proportional to 14,302.67, 19,739.61 and 8,336.21 is: 11,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.67 : 19,739.61 = 8,336.21 : x
  2. Step 2: Convert to fraction form
    14,302.67/19,739.61 = 8,336.21/x
  3. Step 3: Cross multiply
    14,302.67x = 19,739.61 × 8,336.21
  4. Step 4: Simplify right side
    14,302.67x = 164,553,435.58
  5. Step 5: Solve for x
    x = 164,553,435.58/14,302.67
  6. Step 6: Final answer
    x = 11,505.09

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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.