Home / 18,768.64-28,134.73-10,441.03

Finding the Fourth Proportional to 18,768.64, 28,134.73 and 10,441.03

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Solution

The fourth proportional to 18,768.64, 28,134.73 and 10,441.03 is: 15,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.64 : 28,134.73 = 10,441.03 : x
  2. Step 2: Convert to fraction form
    18,768.64/28,134.73 = 10,441.03/x
  3. Step 3: Cross multiply
    18,768.64x = 28,134.73 × 10,441.03
  4. Step 4: Simplify right side
    18,768.64x = 293,755,559.97
  5. Step 5: Solve for x
    x = 293,755,559.97/18,768.64
  6. Step 6: Final answer
    x = 15,651.40

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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.