Home / 27,659.41-38,170.24-15,084.16

Finding the Fourth Proportional to 27,659.41, 38,170.24 and 15,084.16

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Solution

The fourth proportional to 27,659.41, 38,170.24 and 15,084.16 is: 20,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.41 : 38,170.24 = 15,084.16 : x
  2. Step 2: Convert to fraction form
    27,659.41/38,170.24 = 15,084.16/x
  3. Step 3: Cross multiply
    27,659.41x = 38,170.24 × 15,084.16
  4. Step 4: Simplify right side
    27,659.41x = 575,765,874.26
  5. Step 5: Solve for x
    x = 575,765,874.26/27,659.41
  6. Step 6: Final answer
    x = 20,816.28

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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.