Home / 17,099.45-25,658.21-12,133.92

Finding the Fourth Proportional to 17,099.45, 25,658.21 and 12,133.92

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Solution

The fourth proportional to 17,099.45, 25,658.21 and 12,133.92 is: 18,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,099.45 : 25,658.21 = 12,133.92 : x
  2. Step 2: Convert to fraction form
    17,099.45/25,658.21 = 12,133.92/x
  3. Step 3: Cross multiply
    17,099.45x = 25,658.21 × 12,133.92
  4. Step 4: Simplify right side
    17,099.45x = 311,334,508.86
  5. Step 5: Solve for x
    x = 311,334,508.86/17,099.45
  6. Step 6: Final answer
    x = 18,207.28

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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.