Home / 14,228.60-21,343.20-3,699.02

Finding the Fourth Proportional to 14,228.60, 21,343.20 and 3,699.02

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Solution

The fourth proportional to 14,228.60, 21,343.20 and 3,699.02 is: 5,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.60 : 21,343.20 = 3,699.02 : x
  2. Step 2: Convert to fraction form
    14,228.60/21,343.20 = 3,699.02/x
  3. Step 3: Cross multiply
    14,228.60x = 21,343.20 × 3,699.02
  4. Step 4: Simplify right side
    14,228.60x = 78,948,923.66
  5. Step 5: Solve for x
    x = 78,948,923.66/14,228.60
  6. Step 6: Final answer
    x = 5,548.61

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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.