Home / 15,050.14-20,767.48-8,334.09

Finding the Fourth Proportional to 15,050.14, 20,767.48 and 8,334.09

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Solution

The fourth proportional to 15,050.14, 20,767.48 and 8,334.09 is: 11,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.14 : 20,767.48 = 8,334.09 : x
  2. Step 2: Convert to fraction form
    15,050.14/20,767.48 = 8,334.09/x
  3. Step 3: Cross multiply
    15,050.14x = 20,767.48 × 8,334.09
  4. Step 4: Simplify right side
    15,050.14x = 173,078,026.56
  5. Step 5: Solve for x
    x = 173,078,026.56/15,050.14
  6. Step 6: Final answer
    x = 11,500.10

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Half 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.