Home / 27,927.60-41,896.80-12,132.60

Finding the Fourth Proportional to 27,927.60, 41,896.80 and 12,132.60

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Solution

The fourth proportional to 27,927.60, 41,896.80 and 12,132.60 is: 18,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.60 : 41,896.80 = 12,132.60 : x
  2. Step 2: Convert to fraction form
    27,927.60/41,896.80 = 12,132.60/x
  3. Step 3: Cross multiply
    27,927.60x = 41,896.80 × 12,132.60
  4. Step 4: Simplify right side
    27,927.60x = 508,317,115.68
  5. Step 5: Solve for x
    x = 508,317,115.68/27,927.60
  6. Step 6: Final answer
    x = 18,201.25

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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.