Home / 18,748.84-25,871.46-11,676.04

Finding the Fourth Proportional to 18,748.84, 25,871.46 and 11,676.04

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Solution

The fourth proportional to 18,748.84, 25,871.46 and 11,676.04 is: 16,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.84 : 25,871.46 = 11,676.04 : x
  2. Step 2: Convert to fraction form
    18,748.84/25,871.46 = 11,676.04/x
  3. Step 3: Cross multiply
    18,748.84x = 25,871.46 × 11,676.04
  4. Step 4: Simplify right side
    18,748.84x = 302,076,201.82
  5. Step 5: Solve for x
    x = 302,076,201.82/18,748.84
  6. Step 6: Final answer
    x = 16,111.73

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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.