Home / 15,067.49-20,793.63-8,353.74

Finding the Fourth Proportional to 15,067.49, 20,793.63 and 8,353.74

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Solution

The fourth proportional to 15,067.49, 20,793.63 and 8,353.74 is: 11,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.49 : 20,793.63 = 8,353.74 : x
  2. Step 2: Convert to fraction form
    15,067.49/20,793.63 = 8,353.74/x
  3. Step 3: Cross multiply
    15,067.49x = 20,793.63 × 8,353.74
  4. Step 4: Simplify right side
    15,067.49x = 173,704,608.84
  5. Step 5: Solve for x
    x = 173,704,608.84/15,067.49
  6. Step 6: Final answer
    x = 11,528.44

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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.