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Finding the Fourth Proportional to 15,985.62, 23,993.20 and 8,093.68

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Solution

The fourth proportional to 15,985.62, 23,993.20 and 8,093.68 is: 12,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.62 : 23,993.20 = 8,093.68 : x
  2. Step 2: Convert to fraction form
    15,985.62/23,993.20 = 8,093.68/x
  3. Step 3: Cross multiply
    15,985.62x = 23,993.20 × 8,093.68
  4. Step 4: Simplify right side
    15,985.62x = 194,193,233.11
  5. Step 5: Solve for x
    x = 194,193,233.11/15,985.62
  6. Step 6: Final answer
    x = 12,148.00

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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.