Home / 23,243.75-34,992.11-21,177.04

Finding the Fourth Proportional to 23,243.75, 34,992.11 and 21,177.04

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Solution

The fourth proportional to 23,243.75, 34,992.11 and 21,177.04 is: 31,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,243.75 : 34,992.11 = 21,177.04 : x
  2. Step 2: Convert to fraction form
    23,243.75/34,992.11 = 21,177.04/x
  3. Step 3: Cross multiply
    23,243.75x = 34,992.11 × 21,177.04
  4. Step 4: Simplify right side
    23,243.75x = 741,029,313.15
  5. Step 5: Solve for x
    x = 741,029,313.15/23,243.75
  6. Step 6: Final answer
    x = 31,880.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.