Home / 20,025.66-27,635.31-11,073

Finding the Fourth Proportional to 20,025.66, 27,635.31 and 11,073

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Solution

The fourth proportional to 20,025.66, 27,635.31 and 11,073 is: 15,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.66 : 27,635.31 = 11,073 : x
  2. Step 2: Convert to fraction form
    20,025.66/27,635.31 = 11,073/x
  3. Step 3: Cross multiply
    20,025.66x = 27,635.31 × 11,073
  4. Step 4: Simplify right side
    20,025.66x = 306,005,787.63
  5. Step 5: Solve for x
    x = 306,005,787.63/20,025.66
  6. Step 6: Final answer
    x = 15,280.68

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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.