Home / 20,544.44-28,351.55-11,592.05

Finding the Fourth Proportional to 20,544.44, 28,351.55 and 11,592.05

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Solution

The fourth proportional to 20,544.44, 28,351.55 and 11,592.05 is: 15,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.44 : 28,351.55 = 11,592.05 : x
  2. Step 2: Convert to fraction form
    20,544.44/28,351.55 = 11,592.05/x
  3. Step 3: Cross multiply
    20,544.44x = 28,351.55 × 11,592.05
  4. Step 4: Simplify right side
    20,544.44x = 328,652,472.40
  5. Step 5: Solve for x
    x = 328,652,472.40/20,544.44
  6. Step 6: Final answer
    x = 15,997.15

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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.