Home / 13,583.16-20,361.78-4,813.29

Finding the Fourth Proportional to 13,583.16, 20,361.78 and 4,813.29

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Solution

The fourth proportional to 13,583.16, 20,361.78 and 4,813.29 is: 7,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.16 : 20,361.78 = 4,813.29 : x
  2. Step 2: Convert to fraction form
    13,583.16/20,361.78 = 4,813.29/x
  3. Step 3: Cross multiply
    13,583.16x = 20,361.78 × 4,813.29
  4. Step 4: Simplify right side
    13,583.16x = 98,007,152.06
  5. Step 5: Solve for x
    x = 98,007,152.06/13,583.16
  6. Step 6: Final answer
    x = 7,215.34

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Why These Related Problems?

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