Home / 20,182.77-27,845.37-11,682.63

Finding the Fourth Proportional to 20,182.77, 27,845.37 and 11,682.63

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Solution

The fourth proportional to 20,182.77, 27,845.37 and 11,682.63 is: 16,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.77 : 27,845.37 = 11,682.63 : x
  2. Step 2: Convert to fraction form
    20,182.77/27,845.37 = 11,682.63/x
  3. Step 3: Cross multiply
    20,182.77x = 27,845.37 × 11,682.63
  4. Step 4: Simplify right side
    20,182.77x = 325,307,154.92
  5. Step 5: Solve for x
    x = 325,307,154.92/20,182.77
  6. Step 6: Final answer
    x = 16,118.06

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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.