Home / 18,321.62-25,284.39-10,363.69

Finding the Fourth Proportional to 18,321.62, 25,284.39 and 10,363.69

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Solution

The fourth proportional to 18,321.62, 25,284.39 and 10,363.69 is: 14,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.62 : 25,284.39 = 10,363.69 : x
  2. Step 2: Convert to fraction form
    18,321.62/25,284.39 = 10,363.69/x
  3. Step 3: Cross multiply
    18,321.62x = 25,284.39 × 10,363.69
  4. Step 4: Simplify right side
    18,321.62x = 262,039,579.80
  5. Step 5: Solve for x
    x = 262,039,579.80/18,321.62
  6. Step 6: Final answer
    x = 14,302.21

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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.