Home / 13,676.95-20,493.55-12,364.75

Finding the Fourth Proportional to 13,676.95, 20,493.55 and 12,364.75

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Solution

The fourth proportional to 13,676.95, 20,493.55 and 12,364.75 is: 18,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.95 : 20,493.55 = 12,364.75 : x
  2. Step 2: Convert to fraction form
    13,676.95/20,493.55 = 12,364.75/x
  3. Step 3: Cross multiply
    13,676.95x = 20,493.55 × 12,364.75
  4. Step 4: Simplify right side
    13,676.95x = 253,397,560.54
  5. Step 5: Solve for x
    x = 253,397,560.54/13,676.95
  6. Step 6: Final answer
    x = 18,527.34

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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.