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Finding the Fourth Proportional to 14,375.64, 19,839.04 and 8,088.04

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Solution

The fourth proportional to 14,375.64, 19,839.04 and 8,088.04 is: 11,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.64 : 19,839.04 = 8,088.04 : x
  2. Step 2: Convert to fraction form
    14,375.64/19,839.04 = 8,088.04/x
  3. Step 3: Cross multiply
    14,375.64x = 19,839.04 × 8,088.04
  4. Step 4: Simplify right side
    14,375.64x = 160,458,949.08
  5. Step 5: Solve for x
    x = 160,458,949.08/14,375.64
  6. Step 6: Final answer
    x = 11,161.86

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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.