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Finding the Fourth Proportional to 19,502.92, 26,907.06 and 11,946.52

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Solution

The fourth proportional to 19,502.92, 26,907.06 and 11,946.52 is: 16,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.92 : 26,907.06 = 11,946.52 : x
  2. Step 2: Convert to fraction form
    19,502.92/26,907.06 = 11,946.52/x
  3. Step 3: Cross multiply
    19,502.92x = 26,907.06 × 11,946.52
  4. Step 4: Simplify right side
    19,502.92x = 321,445,730.43
  5. Step 5: Solve for x
    x = 321,445,730.43/19,502.92
  6. Step 6: Final answer
    x = 16,481.93

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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.