Home / 18,669.48-25,763.88-10,286

Finding the Fourth Proportional to 18,669.48, 25,763.88 and 10,286

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Solution

The fourth proportional to 18,669.48, 25,763.88 and 10,286 is: 14,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.48 : 25,763.88 = 10,286 : x
  2. Step 2: Convert to fraction form
    18,669.48/25,763.88 = 10,286/x
  3. Step 3: Cross multiply
    18,669.48x = 25,763.88 × 10,286
  4. Step 4: Simplify right side
    18,669.48x = 265,007,269.68
  5. Step 5: Solve for x
    x = 265,007,269.68/18,669.48
  6. Step 6: Final answer
    x = 14,194.68

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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.