Home / 20,341.98-28,074.60-11,844.25

Finding the Fourth Proportional to 20,341.98, 28,074.60 and 11,844.25

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Solution

The fourth proportional to 20,341.98, 28,074.60 and 11,844.25 is: 16,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.98 : 28,074.60 = 11,844.25 : x
  2. Step 2: Convert to fraction form
    20,341.98/28,074.60 = 11,844.25/x
  3. Step 3: Cross multiply
    20,341.98x = 28,074.60 × 11,844.25
  4. Step 4: Simplify right side
    20,341.98x = 332,522,581.05
  5. Step 5: Solve for x
    x = 332,522,581.05/20,341.98
  6. Step 6: Final answer
    x = 16,346.62

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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.