Home / 13,636.36-20,445.78-5,744.02

Finding the Fourth Proportional to 13,636.36, 20,445.78 and 5,744.02

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Solution

The fourth proportional to 13,636.36, 20,445.78 and 5,744.02 is: 8,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.36 : 20,445.78 = 5,744.02 : x
  2. Step 2: Convert to fraction form
    13,636.36/20,445.78 = 5,744.02/x
  3. Step 3: Cross multiply
    13,636.36x = 20,445.78 × 5,744.02
  4. Step 4: Simplify right side
    13,636.36x = 117,440,969.24
  5. Step 5: Solve for x
    x = 117,440,969.24/13,636.36
  6. Step 6: Final answer
    x = 8,612.34

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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.