Home / 18,735.26-25,858.98-12,362.99

Finding the Fourth Proportional to 18,735.26, 25,858.98 and 12,362.99

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Solution

The fourth proportional to 18,735.26, 25,858.98 and 12,362.99 is: 17,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.26 : 25,858.98 = 12,362.99 : x
  2. Step 2: Convert to fraction form
    18,735.26/25,858.98 = 12,362.99/x
  3. Step 3: Cross multiply
    18,735.26x = 25,858.98 × 12,362.99
  4. Step 4: Simplify right side
    18,735.26x = 319,694,181.86
  5. Step 5: Solve for x
    x = 319,694,181.86/18,735.26
  6. Step 6: Final answer
    x = 17,063.78

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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.