Home / 27,725.50-38,261.46-15,150.25

Finding the Fourth Proportional to 27,725.50, 38,261.46 and 15,150.25

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Solution

The fourth proportional to 27,725.50, 38,261.46 and 15,150.25 is: 20,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.50 : 38,261.46 = 15,150.25 : x
  2. Step 2: Convert to fraction form
    27,725.50/38,261.46 = 15,150.25/x
  3. Step 3: Cross multiply
    27,725.50x = 38,261.46 × 15,150.25
  4. Step 4: Simplify right side
    27,725.50x = 579,670,684.37
  5. Step 5: Solve for x
    x = 579,670,684.37/27,725.50
  6. Step 6: Final answer
    x = 20,907.49

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Double scale
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Similar ratio
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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.