Home / 38,154.21-57,185.42-14,119.33

Finding the Fourth Proportional to 38,154.21, 57,185.42 and 14,119.33

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Solution

The fourth proportional to 38,154.21, 57,185.42 and 14,119.33 is: 21,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.21 : 57,185.42 = 14,119.33 : x
  2. Step 2: Convert to fraction form
    38,154.21/57,185.42 = 14,119.33/x
  3. Step 3: Cross multiply
    38,154.21x = 57,185.42 × 14,119.33
  4. Step 4: Simplify right side
    38,154.21x = 807,419,749.54
  5. Step 5: Solve for x
    x = 807,419,749.54/38,154.21
  6. Step 6: Final answer
    x = 21,162.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.