Home / 18,580.37-25,639.20-11,025.39

Finding the Fourth Proportional to 18,580.37, 25,639.20 and 11,025.39

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Solution

The fourth proportional to 18,580.37, 25,639.20 and 11,025.39 is: 15,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.37 : 25,639.20 = 11,025.39 : x
  2. Step 2: Convert to fraction form
    18,580.37/25,639.20 = 11,025.39/x
  3. Step 3: Cross multiply
    18,580.37x = 25,639.20 × 11,025.39
  4. Step 4: Simplify right side
    18,580.37x = 282,682,179.29
  5. Step 5: Solve for x
    x = 282,682,179.29/18,580.37
  6. Step 6: Final answer
    x = 15,214.02

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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.