Home / 20,036.37-27,651.20-12,081.16

Finding the Fourth Proportional to 20,036.37, 27,651.20 and 12,081.16

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Solution

The fourth proportional to 20,036.37, 27,651.20 and 12,081.16 is: 16,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.37 : 27,651.20 = 12,081.16 : x
  2. Step 2: Convert to fraction form
    20,036.37/27,651.20 = 12,081.16/x
  3. Step 3: Cross multiply
    20,036.37x = 27,651.20 × 12,081.16
  4. Step 4: Simplify right side
    20,036.37x = 334,058,571.39
  5. Step 5: Solve for x
    x = 334,058,571.39/20,036.37
  6. Step 6: Final answer
    x = 16,672.61

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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.