Home / 20,504.46-28,295.52-11,551.26

Finding the Fourth Proportional to 20,504.46, 28,295.52 and 11,551.26

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Solution

The fourth proportional to 20,504.46, 28,295.52 and 11,551.26 is: 15,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.46 : 28,295.52 = 11,551.26 : x
  2. Step 2: Convert to fraction form
    20,504.46/28,295.52 = 11,551.26/x
  3. Step 3: Cross multiply
    20,504.46x = 28,295.52 × 11,551.26
  4. Step 4: Simplify right side
    20,504.46x = 326,848,908.36
  5. Step 5: Solve for x
    x = 326,848,908.36/20,504.46
  6. Step 6: Final answer
    x = 15,940.38

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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.