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Finding the Fourth Proportional to 14,235.80, 19,644.06 and 8,267.34

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Solution

The fourth proportional to 14,235.80, 19,644.06 and 8,267.34 is: 11,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.80 : 19,644.06 = 8,267.34 : x
  2. Step 2: Convert to fraction form
    14,235.80/19,644.06 = 8,267.34/x
  3. Step 3: Cross multiply
    14,235.80x = 19,644.06 × 8,267.34
  4. Step 4: Simplify right side
    14,235.80x = 162,404,123.00
  5. Step 5: Solve for x
    x = 162,404,123.00/14,235.80
  6. Step 6: Final answer
    x = 11,408.15

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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.