Home / 23,245.81-32,078.16-13,173.66

Finding the Fourth Proportional to 23,245.81, 32,078.16 and 13,173.66

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Solution

The fourth proportional to 23,245.81, 32,078.16 and 13,173.66 is: 18,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.81 : 32,078.16 = 13,173.66 : x
  2. Step 2: Convert to fraction form
    23,245.81/32,078.16 = 13,173.66/x
  3. Step 3: Cross multiply
    23,245.81x = 32,078.16 × 13,173.66
  4. Step 4: Simplify right side
    23,245.81x = 422,586,773.27
  5. Step 5: Solve for x
    x = 422,586,773.27/23,245.81
  6. Step 6: Final answer
    x = 18,179.05

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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.