Home / 43,894.18-65,847.75-12,725.38

Finding the Fourth Proportional to 43,894.18, 65,847.75 and 12,725.38

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Solution

The fourth proportional to 43,894.18, 65,847.75 and 12,725.38 is: 19,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,894.18 : 65,847.75 = 12,725.38 : x
  2. Step 2: Convert to fraction form
    43,894.18/65,847.75 = 12,725.38/x
  3. Step 3: Cross multiply
    43,894.18x = 65,847.75 × 12,725.38
  4. Step 4: Simplify right side
    43,894.18x = 837,937,640.90
  5. Step 5: Solve for x
    x = 837,937,640.90/43,894.18
  6. Step 6: Final answer
    x = 19,089.95

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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.