Home / 16,961.42-25,432.79-13,473.78

Finding the Fourth Proportional to 16,961.42, 25,432.79 and 13,473.78

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Solution

The fourth proportional to 16,961.42, 25,432.79 and 13,473.78 is: 20,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.42 : 25,432.79 = 13,473.78 : x
  2. Step 2: Convert to fraction form
    16,961.42/25,432.79 = 13,473.78/x
  3. Step 3: Cross multiply
    16,961.42x = 25,432.79 × 13,473.78
  4. Step 4: Simplify right side
    16,961.42x = 342,675,749.88
  5. Step 5: Solve for x
    x = 342,675,749.88/16,961.42
  6. Step 6: Final answer
    x = 20,203.25

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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.