Home / 18,743.58-28,101.32-11,346.26

Finding the Fourth Proportional to 18,743.58, 28,101.32 and 11,346.26

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Solution

The fourth proportional to 18,743.58, 28,101.32 and 11,346.26 is: 17,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.58 : 28,101.32 = 11,346.26 : x
  2. Step 2: Convert to fraction form
    18,743.58/28,101.32 = 11,346.26/x
  3. Step 3: Cross multiply
    18,743.58x = 28,101.32 × 11,346.26
  4. Step 4: Simplify right side
    18,743.58x = 318,844,883.06
  5. Step 5: Solve for x
    x = 318,844,883.06/18,743.58
  6. Step 6: Final answer
    x = 17,010.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.