Home / 38,965.44-58,451.36-12,669.60

Finding the Fourth Proportional to 38,965.44, 58,451.36 and 12,669.60

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Solution

The fourth proportional to 38,965.44, 58,451.36 and 12,669.60 is: 19,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.44 : 58,451.36 = 12,669.60 : x
  2. Step 2: Convert to fraction form
    38,965.44/58,451.36 = 12,669.60/x
  3. Step 3: Cross multiply
    38,965.44x = 58,451.36 × 12,669.60
  4. Step 4: Simplify right side
    38,965.44x = 740,555,350.66
  5. Step 5: Solve for x
    x = 740,555,350.66/38,965.44
  6. Step 6: Final answer
    x = 19,005.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.