Home / 23,162.78-34,790.67-13,821.03

Finding the Fourth Proportional to 23,162.78, 34,790.67 and 13,821.03

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Solution

The fourth proportional to 23,162.78, 34,790.67 and 13,821.03 is: 20,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,162.78 : 34,790.67 = 13,821.03 : x
  2. Step 2: Convert to fraction form
    23,162.78/34,790.67 = 13,821.03/x
  3. Step 3: Cross multiply
    23,162.78x = 34,790.67 × 13,821.03
  4. Step 4: Simplify right side
    23,162.78x = 480,842,824.68
  5. Step 5: Solve for x
    x = 480,842,824.68/23,162.78
  6. Step 6: Final answer
    x = 20,759.29

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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.