Home / 13,562.48-20,343.72-3,702.02

Finding the Fourth Proportional to 13,562.48, 20,343.72 and 3,702.02

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Solution

The fourth proportional to 13,562.48, 20,343.72 and 3,702.02 is: 5,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.48 : 20,343.72 = 3,702.02 : x
  2. Step 2: Convert to fraction form
    13,562.48/20,343.72 = 3,702.02/x
  3. Step 3: Cross multiply
    13,562.48x = 20,343.72 × 3,702.02
  4. Step 4: Simplify right side
    13,562.48x = 75,312,918.43
  5. Step 5: Solve for x
    x = 75,312,918.43/13,562.48
  6. Step 6: Final answer
    x = 5,553.03

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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.