Home / 20,560.44-28,374.60-11,604.64

Finding the Fourth Proportional to 20,560.44, 28,374.60 and 11,604.64

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Solution

The fourth proportional to 20,560.44, 28,374.60 and 11,604.64 is: 16,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.44 : 28,374.60 = 11,604.64 : x
  2. Step 2: Convert to fraction form
    20,560.44/28,374.60 = 11,604.64/x
  3. Step 3: Cross multiply
    20,560.44x = 28,374.60 × 11,604.64
  4. Step 4: Simplify right side
    20,560.44x = 329,277,018.14
  5. Step 5: Solve for x
    x = 329,277,018.14/20,560.44
  6. Step 6: Final answer
    x = 16,015.08

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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.