Home / 38,314.15-57,475.83-12,669.35

Finding the Fourth Proportional to 38,314.15, 57,475.83 and 12,669.35

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Solution

The fourth proportional to 38,314.15, 57,475.83 and 12,669.35 is: 19,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.15 : 57,475.83 = 12,669.35 : x
  2. Step 2: Convert to fraction form
    38,314.15/57,475.83 = 12,669.35/x
  3. Step 3: Cross multiply
    38,314.15x = 57,475.83 × 12,669.35
  4. Step 4: Simplify right side
    38,314.15x = 728,181,119.43
  5. Step 5: Solve for x
    x = 728,181,119.43/38,314.15
  6. Step 6: Final answer
    x = 19,005.54

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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.