Home / 27,611.36-38,102.67-16,874.19

Finding the Fourth Proportional to 27,611.36, 38,102.67 and 16,874.19

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Solution

The fourth proportional to 27,611.36, 38,102.67 and 16,874.19 is: 23,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.36 : 38,102.67 = 16,874.19 : x
  2. Step 2: Convert to fraction form
    27,611.36/38,102.67 = 16,874.19/x
  3. Step 3: Cross multiply
    27,611.36x = 38,102.67 × 16,874.19
  4. Step 4: Simplify right side
    27,611.36x = 642,951,693.09
  5. Step 5: Solve for x
    x = 642,951,693.09/27,611.36
  6. Step 6: Final answer
    x = 23,285.77

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Half scale
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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.