Home / 43,374.09-65,062.35-13,793.70

Finding the Fourth Proportional to 43,374.09, 65,062.35 and 13,793.70

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Solution

The fourth proportional to 43,374.09, 65,062.35 and 13,793.70 is: 20,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,374.09 : 65,062.35 = 13,793.70 : x
  2. Step 2: Convert to fraction form
    43,374.09/65,062.35 = 13,793.70/x
  3. Step 3: Cross multiply
    43,374.09x = 65,062.35 × 13,793.70
  4. Step 4: Simplify right side
    43,374.09x = 897,450,537.20
  5. Step 5: Solve for x
    x = 897,450,537.20/43,374.09
  6. Step 6: Final answer
    x = 20,690.94

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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.