Home / 18,717.75-25,830.63-10,334.25

Finding the Fourth Proportional to 18,717.75, 25,830.63 and 10,334.25

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Solution

The fourth proportional to 18,717.75, 25,830.63 and 10,334.25 is: 14,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.75 : 25,830.63 = 10,334.25 : x
  2. Step 2: Convert to fraction form
    18,717.75/25,830.63 = 10,334.25/x
  3. Step 3: Cross multiply
    18,717.75x = 25,830.63 × 10,334.25
  4. Step 4: Simplify right side
    18,717.75x = 266,940,188.08
  5. Step 5: Solve for x
    x = 266,940,188.08/18,717.75
  6. Step 6: Final answer
    x = 14,261.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.