Home / 43,815.75-65,709.70-14,226.75

Finding the Fourth Proportional to 43,815.75, 65,709.70 and 14,226.75

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Solution

The fourth proportional to 43,815.75, 65,709.70 and 14,226.75 is: 21,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,815.75 : 65,709.70 = 14,226.75 : x
  2. Step 2: Convert to fraction form
    43,815.75/65,709.70 = 14,226.75/x
  3. Step 3: Cross multiply
    43,815.75x = 65,709.70 × 14,226.75
  4. Step 4: Simplify right side
    43,815.75x = 934,835,474.48
  5. Step 5: Solve for x
    x = 934,835,474.48/43,815.75
  6. Step 6: Final answer
    x = 21,335.60

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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.