Home / 43,812.10-65,734.35-14,230.90

Finding the Fourth Proportional to 43,812.10, 65,734.35 and 14,230.90

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Solution

The fourth proportional to 43,812.10, 65,734.35 and 14,230.90 is: 21,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.10 : 65,734.35 = 14,230.90 : x
  2. Step 2: Convert to fraction form
    43,812.10/65,734.35 = 14,230.90/x
  3. Step 3: Cross multiply
    43,812.10x = 65,734.35 × 14,230.90
  4. Step 4: Simplify right side
    43,812.10x = 935,458,961.42
  5. Step 5: Solve for x
    x = 935,458,961.42/43,812.10
  6. Step 6: Final answer
    x = 21,351.61

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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.