Home / 16,893.06-25,337.79-5,205

Finding the Fourth Proportional to 16,893.06, 25,337.79 and 5,205

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Solution

The fourth proportional to 16,893.06, 25,337.79 and 5,205 is: 7,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.06 : 25,337.79 = 5,205 : x
  2. Step 2: Convert to fraction form
    16,893.06/25,337.79 = 5,205/x
  3. Step 3: Cross multiply
    16,893.06x = 25,337.79 × 5,205
  4. Step 4: Simplify right side
    16,893.06x = 131,883,196.95
  5. Step 5: Solve for x
    x = 131,883,196.95/16,893.06
  6. Step 6: Final answer
    x = 7,806.95

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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.