Home / 20,173.73-27,842.28-12,216.02

Finding the Fourth Proportional to 20,173.73, 27,842.28 and 12,216.02

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Solution

The fourth proportional to 20,173.73, 27,842.28 and 12,216.02 is: 16,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.73 : 27,842.28 = 12,216.02 : x
  2. Step 2: Convert to fraction form
    20,173.73/27,842.28 = 12,216.02/x
  3. Step 3: Cross multiply
    20,173.73x = 27,842.28 × 12,216.02
  4. Step 4: Simplify right side
    20,173.73x = 340,121,849.33
  5. Step 5: Solve for x
    x = 340,121,849.33/20,173.73
  6. Step 6: Final answer
    x = 16,859.64

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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.