Home / 43,996.19-65,989.82-12,403.76

Finding the Fourth Proportional to 43,996.19, 65,989.82 and 12,403.76

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Solution

The fourth proportional to 43,996.19, 65,989.82 and 12,403.76 is: 18,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,996.19 : 65,989.82 = 12,403.76 : x
  2. Step 2: Convert to fraction form
    43,996.19/65,989.82 = 12,403.76/x
  3. Step 3: Cross multiply
    43,996.19x = 65,989.82 × 12,403.76
  4. Step 4: Simplify right side
    43,996.19x = 818,521,590.78
  5. Step 5: Solve for x
    x = 818,521,590.78/43,996.19
  6. Step 6: Final answer
    x = 18,604.38

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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.