Home / 18,836.42-26,021.26-15,054.62

Finding the Fourth Proportional to 18,836.42, 26,021.26 and 15,054.62

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Solution

The fourth proportional to 18,836.42, 26,021.26 and 15,054.62 is: 20,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.42 : 26,021.26 = 15,054.62 : x
  2. Step 2: Convert to fraction form
    18,836.42/26,021.26 = 15,054.62/x
  3. Step 3: Cross multiply
    18,836.42x = 26,021.26 × 15,054.62
  4. Step 4: Simplify right side
    18,836.42x = 391,740,181.22
  5. Step 5: Solve for x
    x = 391,740,181.22/18,836.42
  6. Step 6: Final answer
    x = 20,796.96

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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.