Home / 43,925.36-65,889.86-12,760.61

Finding the Fourth Proportional to 43,925.36, 65,889.86 and 12,760.61

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Solution

The fourth proportional to 43,925.36, 65,889.86 and 12,760.61 is: 19,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,925.36 : 65,889.86 = 12,760.61 : x
  2. Step 2: Convert to fraction form
    43,925.36/65,889.86 = 12,760.61/x
  3. Step 3: Cross multiply
    43,925.36x = 65,889.86 × 12,760.61
  4. Step 4: Simplify right side
    43,925.36x = 840,794,806.41
  5. Step 5: Solve for x
    x = 840,794,806.41/43,925.36
  6. Step 6: Final answer
    x = 19,141.44

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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.