Home / 27,725.44-38,259.28-15,150.16

Finding the Fourth Proportional to 27,725.44, 38,259.28 and 15,150.16

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Solution

The fourth proportional to 27,725.44, 38,259.28 and 15,150.16 is: 20,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.44 : 38,259.28 = 15,150.16 : x
  2. Step 2: Convert to fraction form
    27,725.44/38,259.28 = 15,150.16/x
  3. Step 3: Cross multiply
    27,725.44x = 38,259.28 × 15,150.16
  4. Step 4: Simplify right side
    27,725.44x = 579,634,213.48
  5. Step 5: Solve for x
    x = 579,634,213.48/27,725.44
  6. Step 6: Final answer
    x = 20,906.22

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Half scale
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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.