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Finding the Fourth Proportional to 14,034.36, 19,366.92 and 8,366.18

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Solution

The fourth proportional to 14,034.36, 19,366.92 and 8,366.18 is: 11,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,034.36 : 19,366.92 = 8,366.18 : x
  2. Step 2: Convert to fraction form
    14,034.36/19,366.92 = 8,366.18/x
  3. Step 3: Cross multiply
    14,034.36x = 19,366.92 × 8,366.18
  4. Step 4: Simplify right side
    14,034.36x = 162,027,138.77
  5. Step 5: Solve for x
    x = 162,027,138.77/14,034.36
  6. Step 6: Final answer
    x = 11,545.03

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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.