Home / 18,321.33-25,282.23-10,253.63

Finding the Fourth Proportional to 18,321.33, 25,282.23 and 10,253.63

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Solution

The fourth proportional to 18,321.33, 25,282.23 and 10,253.63 is: 14,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.33 : 25,282.23 = 10,253.63 : x
  2. Step 2: Convert to fraction form
    18,321.33/25,282.23 = 10,253.63/x
  3. Step 3: Cross multiply
    18,321.33x = 25,282.23 × 10,253.63
  4. Step 4: Simplify right side
    18,321.33x = 259,234,631.99
  5. Step 5: Solve for x
    x = 259,234,631.99/18,321.33
  6. Step 6: Final answer
    x = 14,149.33

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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.