Home / 13,824.41-20,736.59-3,436.16

Finding the Fourth Proportional to 13,824.41, 20,736.59 and 3,436.16

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Solution

The fourth proportional to 13,824.41, 20,736.59 and 3,436.16 is: 5,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.41 : 20,736.59 = 3,436.16 : x
  2. Step 2: Convert to fraction form
    13,824.41/20,736.59 = 3,436.16/x
  3. Step 3: Cross multiply
    13,824.41x = 20,736.59 × 3,436.16
  4. Step 4: Simplify right side
    13,824.41x = 71,254,146.00
  5. Step 5: Solve for x
    x = 71,254,146.00/13,824.41
  6. Step 6: Final answer
    x = 5,154.23

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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.