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Finding the Fourth Proportional to 14,160.70, 19,542.84 and 8,495.68

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Solution

The fourth proportional to 14,160.70, 19,542.84 and 8,495.68 is: 11,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.70 : 19,542.84 = 8,495.68 : x
  2. Step 2: Convert to fraction form
    14,160.70/19,542.84 = 8,495.68/x
  3. Step 3: Cross multiply
    14,160.70x = 19,542.84 × 8,495.68
  4. Step 4: Simplify right side
    14,160.70x = 166,029,714.93
  5. Step 5: Solve for x
    x = 166,029,714.93/14,160.70
  6. Step 6: Final answer
    x = 11,724.68

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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.