Home / 27,664.09-38,175.80-16,908.93

Finding the Fourth Proportional to 27,664.09, 38,175.80 and 16,908.93

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Solution

The fourth proportional to 27,664.09, 38,175.80 and 16,908.93 is: 23,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.09 : 38,175.80 = 16,908.93 : x
  2. Step 2: Convert to fraction form
    27,664.09/38,175.80 = 16,908.93/x
  3. Step 3: Cross multiply
    27,664.09x = 38,175.80 × 16,908.93
  4. Step 4: Simplify right side
    27,664.09x = 645,511,845.35
  5. Step 5: Solve for x
    x = 645,511,845.35/27,664.09
  6. Step 6: Final answer
    x = 23,333.93

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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.