Home / 18,126.38-25,014.41-11,054.27

Finding the Fourth Proportional to 18,126.38, 25,014.41 and 11,054.27

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Solution

The fourth proportional to 18,126.38, 25,014.41 and 11,054.27 is: 15,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.38 : 25,014.41 = 11,054.27 : x
  2. Step 2: Convert to fraction form
    18,126.38/25,014.41 = 11,054.27/x
  3. Step 3: Cross multiply
    18,126.38x = 25,014.41 × 11,054.27
  4. Step 4: Simplify right side
    18,126.38x = 276,515,861.69
  5. Step 5: Solve for x
    x = 276,515,861.69/18,126.38
  6. Step 6: Final answer
    x = 15,254.89

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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.