Home / 13,270.54-19,912.80-5,880.10

Finding the Fourth Proportional to 13,270.54, 19,912.80 and 5,880.10

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Solution

The fourth proportional to 13,270.54, 19,912.80 and 5,880.10 is: 8,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.54 : 19,912.80 = 5,880.10 : x
  2. Step 2: Convert to fraction form
    13,270.54/19,912.80 = 5,880.10/x
  3. Step 3: Cross multiply
    13,270.54x = 19,912.80 × 5,880.10
  4. Step 4: Simplify right side
    13,270.54x = 117,089,255.28
  5. Step 5: Solve for x
    x = 117,089,255.28/13,270.54
  6. Step 6: Final answer
    x = 8,823.25

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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.