Home / 18,944.12-28,416.72-5,796.20

Finding the Fourth Proportional to 18,944.12, 28,416.72 and 5,796.20

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Solution

The fourth proportional to 18,944.12, 28,416.72 and 5,796.20 is: 8,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.12 : 28,416.72 = 5,796.20 : x
  2. Step 2: Convert to fraction form
    18,944.12/28,416.72 = 5,796.20/x
  3. Step 3: Cross multiply
    18,944.12x = 28,416.72 × 5,796.20
  4. Step 4: Simplify right side
    18,944.12x = 164,708,992.46
  5. Step 5: Solve for x
    x = 164,708,992.46/18,944.12
  6. Step 6: Final answer
    x = 8,694.47

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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.