Home / 20,023.09-27,632.37-11,070.73

Finding the Fourth Proportional to 20,023.09, 27,632.37 and 11,070.73

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Solution

The fourth proportional to 20,023.09, 27,632.37 and 11,070.73 is: 15,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.09 : 27,632.37 = 11,070.73 : x
  2. Step 2: Convert to fraction form
    20,023.09/27,632.37 = 11,070.73/x
  3. Step 3: Cross multiply
    20,023.09x = 27,632.37 × 11,070.73
  4. Step 4: Simplify right side
    20,023.09x = 305,910,507.53
  5. Step 5: Solve for x
    x = 305,910,507.53/20,023.09
  6. Step 6: Final answer
    x = 15,277.89

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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.