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Finding the Fourth Proportional to 15,874.56, 23,811.69 and 9,636.30

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Solution

The fourth proportional to 15,874.56, 23,811.69 and 9,636.30 is: 14,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.56 : 23,811.69 = 9,636.30 : x
  2. Step 2: Convert to fraction form
    15,874.56/23,811.69 = 9,636.30/x
  3. Step 3: Cross multiply
    15,874.56x = 23,811.69 × 9,636.30
  4. Step 4: Simplify right side
    15,874.56x = 229,456,588.35
  5. Step 5: Solve for x
    x = 229,456,588.35/15,874.56
  6. Step 6: Final answer
    x = 14,454.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.