Home / 14,768.67-20,375.73-8,394.63

Finding the Fourth Proportional to 14,768.67, 20,375.73 and 8,394.63

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Solution

The fourth proportional to 14,768.67, 20,375.73 and 8,394.63 is: 11,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.67 : 20,375.73 = 8,394.63 : x
  2. Step 2: Convert to fraction form
    14,768.67/20,375.73 = 8,394.63/x
  3. Step 3: Cross multiply
    14,768.67x = 20,375.73 × 8,394.63
  4. Step 4: Simplify right side
    14,768.67x = 171,046,714.33
  5. Step 5: Solve for x
    x = 171,046,714.33/14,768.67
  6. Step 6: Final answer
    x = 11,581.73

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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.