Home / 27,971.06-41,917.23-13,917.83

Finding the Fourth Proportional to 27,971.06, 41,917.23 and 13,917.83

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Solution

The fourth proportional to 27,971.06, 41,917.23 and 13,917.83 is: 20,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.06 : 41,917.23 = 13,917.83 : x
  2. Step 2: Convert to fraction form
    27,971.06/41,917.23 = 13,917.83/x
  3. Step 3: Cross multiply
    27,971.06x = 41,917.23 × 13,917.83
  4. Step 4: Simplify right side
    27,971.06x = 583,396,671.62
  5. Step 5: Solve for x
    x = 583,396,671.62/27,971.06
  6. Step 6: Final answer
    x = 20,857.16

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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.