Home / 18,346.56-27,519.84-5,198.93

Finding the Fourth Proportional to 18,346.56, 27,519.84 and 5,198.93

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Solution

The fourth proportional to 18,346.56, 27,519.84 and 5,198.93 is: 7,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.56 : 27,519.84 = 5,198.93 : x
  2. Step 2: Convert to fraction form
    18,346.56/27,519.84 = 5,198.93/x
  3. Step 3: Cross multiply
    18,346.56x = 27,519.84 × 5,198.93
  4. Step 4: Simplify right side
    18,346.56x = 143,073,856.79
  5. Step 5: Solve for x
    x = 143,073,856.79/18,346.56
  6. Step 6: Final answer
    x = 7,798.40

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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.