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Finding the Fourth Proportional to 18,951.60, 26,150.94 and 10,567.56

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Solution

The fourth proportional to 18,951.60, 26,150.94 and 10,567.56 is: 14,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.60 : 26,150.94 = 10,567.56 : x
  2. Step 2: Convert to fraction form
    18,951.60/26,150.94 = 10,567.56/x
  3. Step 3: Cross multiply
    18,951.60x = 26,150.94 × 10,567.56
  4. Step 4: Simplify right side
    18,951.60x = 276,351,627.51
  5. Step 5: Solve for x
    x = 276,351,627.51/18,951.60
  6. Step 6: Final answer
    x = 14,581.97

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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.