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Finding the Fourth Proportional to 19,454.76, 26,846.01 and 11,495.49

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Solution

The fourth proportional to 19,454.76, 26,846.01 and 11,495.49 is: 15,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.76 : 26,846.01 = 11,495.49 : x
  2. Step 2: Convert to fraction form
    19,454.76/26,846.01 = 11,495.49/x
  3. Step 3: Cross multiply
    19,454.76x = 26,846.01 × 11,495.49
  4. Step 4: Simplify right side
    19,454.76x = 308,608,039.49
  5. Step 5: Solve for x
    x = 308,608,039.49/19,454.76
  6. Step 6: Final answer
    x = 15,862.86

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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.