Home / 18,251.53-25,182.77-11,081.27

Finding the Fourth Proportional to 18,251.53, 25,182.77 and 11,081.27

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Solution

The fourth proportional to 18,251.53, 25,182.77 and 11,081.27 is: 15,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.53 : 25,182.77 = 11,081.27 : x
  2. Step 2: Convert to fraction form
    18,251.53/25,182.77 = 11,081.27/x
  3. Step 3: Cross multiply
    18,251.53x = 25,182.77 × 11,081.27
  4. Step 4: Simplify right side
    18,251.53x = 279,057,081.27
  5. Step 5: Solve for x
    x = 279,057,081.27/18,251.53
  6. Step 6: Final answer
    x = 15,289.52

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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.