Home / 18,519.27-25,554.58-10,965.93

Finding the Fourth Proportional to 18,519.27, 25,554.58 and 10,965.93

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Solution

The fourth proportional to 18,519.27, 25,554.58 and 10,965.93 is: 15,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.27 : 25,554.58 = 10,965.93 : x
  2. Step 2: Convert to fraction form
    18,519.27/25,554.58 = 10,965.93/x
  3. Step 3: Cross multiply
    18,519.27x = 25,554.58 × 10,965.93
  4. Step 4: Simplify right side
    18,519.27x = 280,229,735.46
  5. Step 5: Solve for x
    x = 280,229,735.46/18,519.27
  6. Step 6: Final answer
    x = 15,131.79

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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.