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Finding the Fourth Proportional to 14,381.10, 19,845.90 and 8,093.52

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Solution

The fourth proportional to 14,381.10, 19,845.90 and 8,093.52 is: 11,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.10 : 19,845.90 = 8,093.52 : x
  2. Step 2: Convert to fraction form
    14,381.10/19,845.90 = 8,093.52/x
  3. Step 3: Cross multiply
    14,381.10x = 19,845.90 × 8,093.52
  4. Step 4: Simplify right side
    14,381.10x = 160,623,188.57
  5. Step 5: Solve for x
    x = 160,623,188.57/14,381.10
  6. Step 6: Final answer
    x = 11,169.05

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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.