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Finding the Fourth Proportional to 14,351.18, 19,806.48 and 8,063.54

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Solution

The fourth proportional to 14,351.18, 19,806.48 and 8,063.54 is: 11,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.18 : 19,806.48 = 8,063.54 : x
  2. Step 2: Convert to fraction form
    14,351.18/19,806.48 = 8,063.54/x
  3. Step 3: Cross multiply
    14,351.18x = 19,806.48 × 8,063.54
  4. Step 4: Simplify right side
    14,351.18x = 159,710,343.74
  5. Step 5: Solve for x
    x = 159,710,343.74/14,351.18
  6. Step 6: Final answer
    x = 11,128.73

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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.