Home / 27,591.52-38,120.88-19,245.28

Finding the Fourth Proportional to 27,591.52, 38,120.88 and 19,245.28

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Solution

The fourth proportional to 27,591.52, 38,120.88 and 19,245.28 is: 26,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.52 : 38,120.88 = 19,245.28 : x
  2. Step 2: Convert to fraction form
    27,591.52/38,120.88 = 19,245.28/x
  3. Step 3: Cross multiply
    27,591.52x = 38,120.88 × 19,245.28
  4. Step 4: Simplify right side
    27,591.52x = 733,647,009.45
  5. Step 5: Solve for x
    x = 733,647,009.45/27,591.52
  6. Step 6: Final answer
    x = 26,589.58

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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.