Home / 20,441.33-28,208.13-11,944.24

Finding the Fourth Proportional to 20,441.33, 28,208.13 and 11,944.24

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Solution

The fourth proportional to 20,441.33, 28,208.13 and 11,944.24 is: 16,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.33 : 28,208.13 = 11,944.24 : x
  2. Step 2: Convert to fraction form
    20,441.33/28,208.13 = 11,944.24/x
  3. Step 3: Cross multiply
    20,441.33x = 28,208.13 × 11,944.24
  4. Step 4: Simplify right side
    20,441.33x = 336,924,559.36
  5. Step 5: Solve for x
    x = 336,924,559.36/20,441.33
  6. Step 6: Final answer
    x = 16,482.52

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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.