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Finding the Fourth Proportional to 19,458.77, 26,850.83 and 10,960.25

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Solution

The fourth proportional to 19,458.77, 26,850.83 and 10,960.25 is: 15,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.77 : 26,850.83 = 10,960.25 : x
  2. Step 2: Convert to fraction form
    19,458.77/26,850.83 = 10,960.25/x
  3. Step 3: Cross multiply
    19,458.77x = 26,850.83 × 10,960.25
  4. Step 4: Simplify right side
    19,458.77x = 294,291,620.45
  5. Step 5: Solve for x
    x = 294,291,620.45/19,458.77
  6. Step 6: Final answer
    x = 15,123.86

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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.