Home / 19,579.20-27,023.67-12,025.68

Finding the Fourth Proportional to 19,579.20, 27,023.67 and 12,025.68

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Solution

The fourth proportional to 19,579.20, 27,023.67 and 12,025.68 is: 16,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.20 : 27,023.67 = 12,025.68 : x
  2. Step 2: Convert to fraction form
    19,579.20/27,023.67 = 12,025.68/x
  3. Step 3: Cross multiply
    19,579.20x = 27,023.67 × 12,025.68
  4. Step 4: Simplify right side
    19,579.20x = 324,978,007.85
  5. Step 5: Solve for x
    x = 324,978,007.85/19,579.20
  6. Step 6: Final answer
    x = 16,598.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.