Home / 16,853.90-25,273.56-12,961.04

Finding the Fourth Proportional to 16,853.90, 25,273.56 and 12,961.04

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Solution

The fourth proportional to 16,853.90, 25,273.56 and 12,961.04 is: 19,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.90 : 25,273.56 = 12,961.04 : x
  2. Step 2: Convert to fraction form
    16,853.90/25,273.56 = 12,961.04/x
  3. Step 3: Cross multiply
    16,853.90x = 25,273.56 × 12,961.04
  4. Step 4: Simplify right side
    16,853.90x = 327,571,622.10
  5. Step 5: Solve for x
    x = 327,571,622.10/16,853.90
  6. Step 6: Final answer
    x = 19,435.95

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1.5x scale

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.