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Finding the Fourth Proportional to 14,012.68, 19,336.08 and 8,042.92

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Solution

The fourth proportional to 14,012.68, 19,336.08 and 8,042.92 is: 11,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.68 : 19,336.08 = 8,042.92 : x
  2. Step 2: Convert to fraction form
    14,012.68/19,336.08 = 8,042.92/x
  3. Step 3: Cross multiply
    14,012.68x = 19,336.08 × 8,042.92
  4. Step 4: Simplify right side
    14,012.68x = 155,518,544.55
  5. Step 5: Solve for x
    x = 155,518,544.55/14,012.68
  6. Step 6: Final answer
    x = 11,098.42

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Double scale
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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.