Home / 18,682.12-28,025.88-5,532.76

Finding the Fourth Proportional to 18,682.12, 28,025.88 and 5,532.76

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Solution

The fourth proportional to 18,682.12, 28,025.88 and 5,532.76 is: 8,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.12 : 28,025.88 = 5,532.76 : x
  2. Step 2: Convert to fraction form
    18,682.12/28,025.88 = 5,532.76/x
  3. Step 3: Cross multiply
    18,682.12x = 28,025.88 × 5,532.76
  4. Step 4: Simplify right side
    18,682.12x = 155,060,467.83
  5. Step 5: Solve for x
    x = 155,060,467.83/18,682.12
  6. Step 6: Final answer
    x = 8,299.94

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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.