Home / 18,258.87-25,198.40-10,298.19

Finding the Fourth Proportional to 18,258.87, 25,198.40 and 10,298.19

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Solution

The fourth proportional to 18,258.87, 25,198.40 and 10,298.19 is: 14,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.87 : 25,198.40 = 10,298.19 : x
  2. Step 2: Convert to fraction form
    18,258.87/25,198.40 = 10,298.19/x
  3. Step 3: Cross multiply
    18,258.87x = 25,198.40 × 10,298.19
  4. Step 4: Simplify right side
    18,258.87x = 259,497,910.90
  5. Step 5: Solve for x
    x = 259,497,910.90/18,258.87
  6. Step 6: Final answer
    x = 14,212.16

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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.