Home / 21,792.92-32,690.46-13,083.80

Finding the Fourth Proportional to 21,792.92, 32,690.46 and 13,083.80

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Solution

The fourth proportional to 21,792.92, 32,690.46 and 13,083.80 is: 19,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.92 : 32,690.46 = 13,083.80 : x
  2. Step 2: Convert to fraction form
    21,792.92/32,690.46 = 13,083.80/x
  3. Step 3: Cross multiply
    21,792.92x = 32,690.46 × 13,083.80
  4. Step 4: Simplify right side
    21,792.92x = 427,715,440.55
  5. Step 5: Solve for x
    x = 427,715,440.55/21,792.92
  6. Step 6: Final answer
    x = 19,626.35

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1.5x scale

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.