Home / 27,172.53-37,480.83-19,629.94

Finding the Fourth Proportional to 27,172.53, 37,480.83 and 19,629.94

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Solution

The fourth proportional to 27,172.53, 37,480.83 and 19,629.94 is: 27,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.53 : 37,480.83 = 19,629.94 : x
  2. Step 2: Convert to fraction form
    27,172.53/37,480.83 = 19,629.94/x
  3. Step 3: Cross multiply
    27,172.53x = 37,480.83 × 19,629.94
  4. Step 4: Simplify right side
    27,172.53x = 735,746,345.90
  5. Step 5: Solve for x
    x = 735,746,345.90/27,172.53
  6. Step 6: Final answer
    x = 27,076.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.