Home / 27,172.80-40,759.68-9,633.60

Finding the Fourth Proportional to 27,172.80, 40,759.68 and 9,633.60

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Solution

The fourth proportional to 27,172.80, 40,759.68 and 9,633.60 is: 14,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.80 : 40,759.68 = 9,633.60 : x
  2. Step 2: Convert to fraction form
    27,172.80/40,759.68 = 9,633.60/x
  3. Step 3: Cross multiply
    27,172.80x = 40,759.68 × 9,633.60
  4. Step 4: Simplify right side
    27,172.80x = 392,662,453.25
  5. Step 5: Solve for x
    x = 392,662,453.25/27,172.80
  6. Step 6: Final answer
    x = 14,450.57

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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.