Home / 12,569.43-18,853.95-3,081.84

Finding the Fourth Proportional to 12,569.43, 18,853.95 and 3,081.84

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Solution

The fourth proportional to 12,569.43, 18,853.95 and 3,081.84 is: 4,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.43 : 18,853.95 = 3,081.84 : x
  2. Step 2: Convert to fraction form
    12,569.43/18,853.95 = 3,081.84/x
  3. Step 3: Cross multiply
    12,569.43x = 18,853.95 × 3,081.84
  4. Step 4: Simplify right side
    12,569.43x = 58,104,857.27
  5. Step 5: Solve for x
    x = 58,104,857.27/12,569.43
  6. Step 6: Final answer
    x = 4,622.71

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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.