Home / 13,231.26-19,848.60-4,343.54

Finding the Fourth Proportional to 13,231.26, 19,848.60 and 4,343.54

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Solution

The fourth proportional to 13,231.26, 19,848.60 and 4,343.54 is: 6,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.26 : 19,848.60 = 4,343.54 : x
  2. Step 2: Convert to fraction form
    13,231.26/19,848.60 = 4,343.54/x
  3. Step 3: Cross multiply
    13,231.26x = 19,848.60 × 4,343.54
  4. Step 4: Simplify right side
    13,231.26x = 86,213,088.80
  5. Step 5: Solve for x
    x = 86,213,088.80/13,231.26
  6. Step 6: Final answer
    x = 6,515.86

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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.