Home / 18,582.28-25,643.46-10,198.72

Finding the Fourth Proportional to 18,582.28, 25,643.46 and 10,198.72

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Solution

The fourth proportional to 18,582.28, 25,643.46 and 10,198.72 is: 14,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.28 : 25,643.46 = 10,198.72 : x
  2. Step 2: Convert to fraction form
    18,582.28/25,643.46 = 10,198.72/x
  3. Step 3: Cross multiply
    18,582.28x = 25,643.46 × 10,198.72
  4. Step 4: Simplify right side
    18,582.28x = 261,530,468.37
  5. Step 5: Solve for x
    x = 261,530,468.37/18,582.28
  6. Step 6: Final answer
    x = 14,074.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.