Home / 18,991.67-26,202.08-11,027.34

Finding the Fourth Proportional to 18,991.67, 26,202.08 and 11,027.34

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Solution

The fourth proportional to 18,991.67, 26,202.08 and 11,027.34 is: 15,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991.67 : 26,202.08 = 11,027.34 : x
  2. Step 2: Convert to fraction form
    18,991.67/26,202.08 = 11,027.34/x
  3. Step 3: Cross multiply
    18,991.67x = 26,202.08 × 11,027.34
  4. Step 4: Simplify right side
    18,991.67x = 288,939,272.44
  5. Step 5: Solve for x
    x = 288,939,272.44/18,991.67
  6. Step 6: Final answer
    x = 15,214.00

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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.