Home / 18,832.82-25,992.84-12,459.74

Finding the Fourth Proportional to 18,832.82, 25,992.84 and 12,459.74

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Solution

The fourth proportional to 18,832.82, 25,992.84 and 12,459.74 is: 17,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.82 : 25,992.84 = 12,459.74 : x
  2. Step 2: Convert to fraction form
    18,832.82/25,992.84 = 12,459.74/x
  3. Step 3: Cross multiply
    18,832.82x = 25,992.84 × 12,459.74
  4. Step 4: Simplify right side
    18,832.82x = 323,863,898.30
  5. Step 5: Solve for x
    x = 323,863,898.30/18,832.82
  6. Step 6: Final answer
    x = 17,196.79

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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.