Home / 13,260.48-18,280.20-9,269.22

Finding the Fourth Proportional to 13,260.48, 18,280.20 and 9,269.22

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Solution

The fourth proportional to 13,260.48, 18,280.20 and 9,269.22 is: 12,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.48 : 18,280.20 = 9,269.22 : x
  2. Step 2: Convert to fraction form
    13,260.48/18,280.20 = 9,269.22/x
  3. Step 3: Cross multiply
    13,260.48x = 18,280.20 × 9,269.22
  4. Step 4: Simplify right side
    13,260.48x = 169,443,195.44
  5. Step 5: Solve for x
    x = 169,443,195.44/13,260.48
  6. Step 6: Final answer
    x = 12,778.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.