Home / 36,278.09-54,406.81-14,086.73

Finding the Fourth Proportional to 36,278.09, 54,406.81 and 14,086.73

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Solution

The fourth proportional to 36,278.09, 54,406.81 and 14,086.73 is: 21,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.09 : 54,406.81 = 14,086.73 : x
  2. Step 2: Convert to fraction form
    36,278.09/54,406.81 = 14,086.73/x
  3. Step 3: Cross multiply
    36,278.09x = 54,406.81 × 14,086.73
  4. Step 4: Simplify right side
    36,278.09x = 766,413,735.38
  5. Step 5: Solve for x
    x = 766,413,735.38/36,278.09
  6. Step 6: Final answer
    x = 21,126.08

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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.