Home / 18,081.40-24,954.47-10,122.09

Finding the Fourth Proportional to 18,081.40, 24,954.47 and 10,122.09

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Solution

The fourth proportional to 18,081.40, 24,954.47 and 10,122.09 is: 13,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.40 : 24,954.47 = 10,122.09 : x
  2. Step 2: Convert to fraction form
    18,081.40/24,954.47 = 10,122.09/x
  3. Step 3: Cross multiply
    18,081.40x = 24,954.47 × 10,122.09
  4. Step 4: Simplify right side
    18,081.40x = 252,591,340.96
  5. Step 5: Solve for x
    x = 252,591,340.96/18,081.40
  6. Step 6: Final answer
    x = 13,969.68

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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.