Home / 17,912.95-24,703.35-12,179.04

Finding the Fourth Proportional to 17,912.95, 24,703.35 and 12,179.04

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Solution

The fourth proportional to 17,912.95, 24,703.35 and 12,179.04 is: 16,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.95 : 24,703.35 = 12,179.04 : x
  2. Step 2: Convert to fraction form
    17,912.95/24,703.35 = 12,179.04/x
  3. Step 3: Cross multiply
    17,912.95x = 24,703.35 × 12,179.04
  4. Step 4: Simplify right side
    17,912.95x = 300,863,087.78
  5. Step 5: Solve for x
    x = 300,863,087.78/17,912.95
  6. Step 6: Final answer
    x = 16,795.84

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1.5x scale

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.