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Finding the Fourth Proportional to 16,586.75, 22,889.72 and 9,134.75

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Solution

The fourth proportional to 16,586.75, 22,889.72 and 9,134.75 is: 12,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,586.75 : 22,889.72 = 9,134.75 : x
  2. Step 2: Convert to fraction form
    16,586.75/22,889.72 = 9,134.75/x
  3. Step 3: Cross multiply
    16,586.75x = 22,889.72 × 9,134.75
  4. Step 4: Simplify right side
    16,586.75x = 209,091,869.77
  5. Step 5: Solve for x
    x = 209,091,869.77/16,586.75
  6. Step 6: Final answer
    x = 12,605.96

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Half scale
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Double scale
Find fourth proportional to 16,587.75, 22,891.10 and 9,135.75
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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.