Home / 18,244.20-25,176.95-10,286.36

Finding the Fourth Proportional to 18,244.20, 25,176.95 and 10,286.36

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Solution

The fourth proportional to 18,244.20, 25,176.95 and 10,286.36 is: 14,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.20 : 25,176.95 = 10,286.36 : x
  2. Step 2: Convert to fraction form
    18,244.20/25,176.95 = 10,286.36/x
  3. Step 3: Cross multiply
    18,244.20x = 25,176.95 × 10,286.36
  4. Step 4: Simplify right side
    18,244.20x = 258,978,994.09
  5. Step 5: Solve for x
    x = 258,978,994.09/18,244.20
  6. Step 6: Final answer
    x = 14,195.14

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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.