Home / 13,883.20-19,158.64-7,914.67

Finding the Fourth Proportional to 13,883.20, 19,158.64 and 7,914.67

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Solution

The fourth proportional to 13,883.20, 19,158.64 and 7,914.67 is: 10,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.20 : 19,158.64 = 7,914.67 : x
  2. Step 2: Convert to fraction form
    13,883.20/19,158.64 = 7,914.67/x
  3. Step 3: Cross multiply
    13,883.20x = 19,158.64 × 7,914.67
  4. Step 4: Simplify right side
    13,883.20x = 151,634,313.25
  5. Step 5: Solve for x
    x = 151,634,313.25/13,883.20
  6. Step 6: Final answer
    x = 10,922.14

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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.