Home / 18,866.34-26,033.75-11,311.26

Finding the Fourth Proportional to 18,866.34, 26,033.75 and 11,311.26

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Solution

The fourth proportional to 18,866.34, 26,033.75 and 11,311.26 is: 15,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.34 : 26,033.75 = 11,311.26 : x
  2. Step 2: Convert to fraction form
    18,866.34/26,033.75 = 11,311.26/x
  3. Step 3: Cross multiply
    18,866.34x = 26,033.75 × 11,311.26
  4. Step 4: Simplify right side
    18,866.34x = 294,474,458.47
  5. Step 5: Solve for x
    x = 294,474,458.47/18,866.34
  6. Step 6: Final answer
    x = 15,608.46

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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.