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Finding the Fourth Proportional to 14,375.70, 19,839.39 and 8,088.48

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Solution

The fourth proportional to 14,375.70, 19,839.39 and 8,088.48 is: 11,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.70 : 19,839.39 = 8,088.48 : x
  2. Step 2: Convert to fraction form
    14,375.70/19,839.39 = 8,088.48/x
  3. Step 3: Cross multiply
    14,375.70x = 19,839.39 × 8,088.48
  4. Step 4: Simplify right side
    14,375.70x = 160,470,509.23
  5. Step 5: Solve for x
    x = 160,470,509.23/14,375.70
  6. Step 6: Final answer
    x = 11,162.62

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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.