Home / 13,172.21-19,766.11-4,858.06

Finding the Fourth Proportional to 13,172.21, 19,766.11 and 4,858.06

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Solution

The fourth proportional to 13,172.21, 19,766.11 and 4,858.06 is: 7,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.21 : 19,766.11 = 4,858.06 : x
  2. Step 2: Convert to fraction form
    13,172.21/19,766.11 = 4,858.06/x
  3. Step 3: Cross multiply
    13,172.21x = 19,766.11 × 4,858.06
  4. Step 4: Simplify right side
    13,172.21x = 96,024,948.35
  5. Step 5: Solve for x
    x = 96,024,948.35/13,172.21
  6. Step 6: Final answer
    x = 7,289.96

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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.