Home / 23,112.16-34,626.88-19,792.80

Finding the Fourth Proportional to 23,112.16, 34,626.88 and 19,792.80

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Solution

The fourth proportional to 23,112.16, 34,626.88 and 19,792.80 is: 29,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.16 : 34,626.88 = 19,792.80 : x
  2. Step 2: Convert to fraction form
    23,112.16/34,626.88 = 19,792.80/x
  3. Step 3: Cross multiply
    23,112.16x = 34,626.88 × 19,792.80
  4. Step 4: Simplify right side
    23,112.16x = 685,362,910.46
  5. Step 5: Solve for x
    x = 685,362,910.46/23,112.16
  6. Step 6: Final answer
    x = 29,653.78

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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.