Home / 16,512.70-24,758.04-5,415.56

Finding the Fourth Proportional to 16,512.70, 24,758.04 and 5,415.56

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Solution

The fourth proportional to 16,512.70, 24,758.04 and 5,415.56 is: 8,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.70 : 24,758.04 = 5,415.56 : x
  2. Step 2: Convert to fraction form
    16,512.70/24,758.04 = 5,415.56/x
  3. Step 3: Cross multiply
    16,512.70x = 24,758.04 × 5,415.56
  4. Step 4: Simplify right side
    16,512.70x = 134,078,651.10
  5. Step 5: Solve for x
    x = 134,078,651.10/16,512.70
  6. Step 6: Final answer
    x = 8,119.73

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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.