Home / 19,725.26-27,221.01-10,772.60

Finding the Fourth Proportional to 19,725.26, 27,221.01 and 10,772.60

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Solution

The fourth proportional to 19,725.26, 27,221.01 and 10,772.60 is: 14,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.26 : 27,221.01 = 10,772.60 : x
  2. Step 2: Convert to fraction form
    19,725.26/27,221.01 = 10,772.60/x
  3. Step 3: Cross multiply
    19,725.26x = 27,221.01 × 10,772.60
  4. Step 4: Simplify right side
    19,725.26x = 293,241,052.33
  5. Step 5: Solve for x
    x = 293,241,052.33/19,725.26
  6. Step 6: Final answer
    x = 14,866.27

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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.