Home / 20,025.52-27,636.26-11,528.92

Finding the Fourth Proportional to 20,025.52, 27,636.26 and 11,528.92

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Solution

The fourth proportional to 20,025.52, 27,636.26 and 11,528.92 is: 15,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.52 : 27,636.26 = 11,528.92 : x
  2. Step 2: Convert to fraction form
    20,025.52/27,636.26 = 11,528.92/x
  3. Step 3: Cross multiply
    20,025.52x = 27,636.26 × 11,528.92
  4. Step 4: Simplify right side
    20,025.52x = 318,616,230.64
  5. Step 5: Solve for x
    x = 318,616,230.64/20,025.52
  6. Step 6: Final answer
    x = 15,910.51

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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.