Home / 18,964.23-26,158.46-11,512.23

Finding the Fourth Proportional to 18,964.23, 26,158.46 and 11,512.23

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Solution

The fourth proportional to 18,964.23, 26,158.46 and 11,512.23 is: 15,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.23 : 26,158.46 = 11,512.23 : x
  2. Step 2: Convert to fraction form
    18,964.23/26,158.46 = 11,512.23/x
  3. Step 3: Cross multiply
    18,964.23x = 26,158.46 × 11,512.23
  4. Step 4: Simplify right side
    18,964.23x = 301,142,150.40
  5. Step 5: Solve for x
    x = 301,142,150.40/18,964.23
  6. Step 6: Final answer
    x = 15,879.48

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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.