Home / 43,516.92-65,274.30-13,934.64

Finding the Fourth Proportional to 43,516.92, 65,274.30 and 13,934.64

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Solution

The fourth proportional to 43,516.92, 65,274.30 and 13,934.64 is: 20,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,516.92 : 65,274.30 = 13,934.64 : x
  2. Step 2: Convert to fraction form
    43,516.92/65,274.30 = 13,934.64/x
  3. Step 3: Cross multiply
    43,516.92x = 65,274.30 × 13,934.64
  4. Step 4: Simplify right side
    43,516.92x = 909,573,871.75
  5. Step 5: Solve for x
    x = 909,573,871.75/43,516.92
  6. Step 6: Final answer
    x = 20,901.61

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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.