Home / 55,122.55-82,684.27-17,682.67

Finding the Fourth Proportional to 55,122.55, 82,684.27 and 17,682.67

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Solution

The fourth proportional to 55,122.55, 82,684.27 and 17,682.67 is: 26,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.55 : 82,684.27 = 17,682.67 : x
  2. Step 2: Convert to fraction form
    55,122.55/82,684.27 = 17,682.67/x
  3. Step 3: Cross multiply
    55,122.55x = 82,684.27 × 17,682.67
  4. Step 4: Simplify right side
    55,122.55x = 1,462,078,660.60
  5. Step 5: Solve for x
    x = 1,462,078,660.60/55,122.55
  6. Step 6: Final answer
    x = 26,524.15

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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.