Home / 16,938.58-25,408.59-5,251.54

Finding the Fourth Proportional to 16,938.58, 25,408.59 and 5,251.54

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Solution

The fourth proportional to 16,938.58, 25,408.59 and 5,251.54 is: 7,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.58 : 25,408.59 = 5,251.54 : x
  2. Step 2: Convert to fraction form
    16,938.58/25,408.59 = 5,251.54/x
  3. Step 3: Cross multiply
    16,938.58x = 25,408.59 × 5,251.54
  4. Step 4: Simplify right side
    16,938.58x = 133,434,226.73
  5. Step 5: Solve for x
    x = 133,434,226.73/16,938.58
  6. Step 6: Final answer
    x = 7,877.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.