Home / 13,816.14-20,718.12-3,953.18

Finding the Fourth Proportional to 13,816.14, 20,718.12 and 3,953.18

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Solution

The fourth proportional to 13,816.14, 20,718.12 and 3,953.18 is: 5,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.14 : 20,718.12 = 3,953.18 : x
  2. Step 2: Convert to fraction form
    13,816.14/20,718.12 = 3,953.18/x
  3. Step 3: Cross multiply
    13,816.14x = 20,718.12 × 3,953.18
  4. Step 4: Simplify right side
    13,816.14x = 81,902,354.03
  5. Step 5: Solve for x
    x = 81,902,354.03/13,816.14
  6. Step 6: Final answer
    x = 5,928.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.