Home / 43,836.68-65,764.74-12,669.56

Finding the Fourth Proportional to 43,836.68, 65,764.74 and 12,669.56

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Solution

The fourth proportional to 43,836.68, 65,764.74 and 12,669.56 is: 19,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.68 : 65,764.74 = 12,669.56 : x
  2. Step 2: Convert to fraction form
    43,836.68/65,764.74 = 12,669.56/x
  3. Step 3: Cross multiply
    43,836.68x = 65,764.74 × 12,669.56
  4. Step 4: Simplify right side
    43,836.68x = 833,210,319.31
  5. Step 5: Solve for x
    x = 833,210,319.31/43,836.68
  6. Step 6: Final answer
    x = 19,007.15

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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.