Home / 18,354.35-25,333.04-12,067.31

Finding the Fourth Proportional to 18,354.35, 25,333.04 and 12,067.31

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Solution

The fourth proportional to 18,354.35, 25,333.04 and 12,067.31 is: 16,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.35 : 25,333.04 = 12,067.31 : x
  2. Step 2: Convert to fraction form
    18,354.35/25,333.04 = 12,067.31/x
  3. Step 3: Cross multiply
    18,354.35x = 25,333.04 × 12,067.31
  4. Step 4: Simplify right side
    18,354.35x = 305,701,586.59
  5. Step 5: Solve for x
    x = 305,701,586.59/18,354.35
  6. Step 6: Final answer
    x = 16,655.54

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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.