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Finding the Fourth Proportional to 13,951.90, 19,258.68 and 9,237.70

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Solution

The fourth proportional to 13,951.90, 19,258.68 and 9,237.70 is: 12,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.90 : 19,258.68 = 9,237.70 : x
  2. Step 2: Convert to fraction form
    13,951.90/19,258.68 = 9,237.70/x
  3. Step 3: Cross multiply
    13,951.90x = 19,258.68 × 9,237.70
  4. Step 4: Simplify right side
    13,951.90x = 177,905,914.99
  5. Step 5: Solve for x
    x = 177,905,914.99/13,951.90
  6. Step 6: Final answer
    x = 12,751.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.