Home / 13,792.44-20,690.54-4,429.35

Finding the Fourth Proportional to 13,792.44, 20,690.54 and 4,429.35

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Solution

The fourth proportional to 13,792.44, 20,690.54 and 4,429.35 is: 6,644.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.44 : 20,690.54 = 4,429.35 : x
  2. Step 2: Convert to fraction form
    13,792.44/20,690.54 = 4,429.35/x
  3. Step 3: Cross multiply
    13,792.44x = 20,690.54 × 4,429.35
  4. Step 4: Simplify right side
    13,792.44x = 91,645,637.81
  5. Step 5: Solve for x
    x = 91,645,637.81/13,792.44
  6. Step 6: Final answer
    x = 6,644.63

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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.