Home / 43,784.56-65,686.44-14,205.38

Finding the Fourth Proportional to 43,784.56, 65,686.44 and 14,205.38

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Solution

The fourth proportional to 43,784.56, 65,686.44 and 14,205.38 is: 21,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.56 : 65,686.44 = 14,205.38 : x
  2. Step 2: Convert to fraction form
    43,784.56/65,686.44 = 14,205.38/x
  3. Step 3: Cross multiply
    43,784.56x = 65,686.44 × 14,205.38
  4. Step 4: Simplify right side
    43,784.56x = 933,100,841.05
  5. Step 5: Solve for x
    x = 933,100,841.05/43,784.56
  6. Step 6: Final answer
    x = 21,311.18

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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.