Home / 20,023.74-27,632.21-11,071.62

Finding the Fourth Proportional to 20,023.74, 27,632.21 and 11,071.62

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Solution

The fourth proportional to 20,023.74, 27,632.21 and 11,071.62 is: 15,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.74 : 27,632.21 = 11,071.62 : x
  2. Step 2: Convert to fraction form
    20,023.74/27,632.21 = 11,071.62/x
  3. Step 3: Cross multiply
    20,023.74x = 27,632.21 × 11,071.62
  4. Step 4: Simplify right side
    20,023.74x = 305,933,273.52
  5. Step 5: Solve for x
    x = 305,933,273.52/20,023.74
  6. Step 6: Final answer
    x = 15,278.53

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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.