Home / 13,763.06-20,644.68-3,374.81

Finding the Fourth Proportional to 13,763.06, 20,644.68 and 3,374.81

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Solution

The fourth proportional to 13,763.06, 20,644.68 and 3,374.81 is: 5,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.06 : 20,644.68 = 3,374.81 : x
  2. Step 2: Convert to fraction form
    13,763.06/20,644.68 = 3,374.81/x
  3. Step 3: Cross multiply
    13,763.06x = 20,644.68 × 3,374.81
  4. Step 4: Simplify right side
    13,763.06x = 69,671,872.51
  5. Step 5: Solve for x
    x = 69,671,872.51/13,763.06
  6. Step 6: Final answer
    x = 5,062.24

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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.