Home / 18,632.12-25,699.31-12,653.41

Finding the Fourth Proportional to 18,632.12, 25,699.31 and 12,653.41

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Solution

The fourth proportional to 18,632.12, 25,699.31 and 12,653.41 is: 17,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.12 : 25,699.31 = 12,653.41 : x
  2. Step 2: Convert to fraction form
    18,632.12/25,699.31 = 12,653.41/x
  3. Step 3: Cross multiply
    18,632.12x = 25,699.31 × 12,653.41
  4. Step 4: Simplify right side
    18,632.12x = 325,183,906.15
  5. Step 5: Solve for x
    x = 325,183,906.15/18,632.12
  6. Step 6: Final answer
    x = 17,452.87

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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.