Home / 38,486.66-57,735.42-12,193.46

Finding the Fourth Proportional to 38,486.66, 57,735.42 and 12,193.46

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Solution

The fourth proportional to 38,486.66, 57,735.42 and 12,193.46 is: 18,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,486.66 : 57,735.42 = 12,193.46 : x
  2. Step 2: Convert to fraction form
    38,486.66/57,735.42 = 12,193.46/x
  3. Step 3: Cross multiply
    38,486.66x = 57,735.42 × 12,193.46
  4. Step 4: Simplify right side
    38,486.66x = 703,994,534.35
  5. Step 5: Solve for x
    x = 703,994,534.35/38,486.66
  6. Step 6: Final answer
    x = 18,291.91

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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.