Home / 23,355.57-32,231.14-12,745.20

Finding the Fourth Proportional to 23,355.57, 32,231.14 and 12,745.20

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Solution

The fourth proportional to 23,355.57, 32,231.14 and 12,745.20 is: 17,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,355.57 : 32,231.14 = 12,745.20 : x
  2. Step 2: Convert to fraction form
    23,355.57/32,231.14 = 12,745.20/x
  3. Step 3: Cross multiply
    23,355.57x = 32,231.14 × 12,745.20
  4. Step 4: Simplify right side
    23,355.57x = 410,792,269.08
  5. Step 5: Solve for x
    x = 410,792,269.08/23,355.57
  6. Step 6: Final answer
    x = 17,588.62

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1.5x scale

Why These Related Problems?

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