Home / 13,562.13-20,345.49-4,676.57

Finding the Fourth Proportional to 13,562.13, 20,345.49 and 4,676.57

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Solution

The fourth proportional to 13,562.13, 20,345.49 and 4,676.57 is: 7,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.13 : 20,345.49 = 4,676.57 : x
  2. Step 2: Convert to fraction form
    13,562.13/20,345.49 = 4,676.57/x
  3. Step 3: Cross multiply
    13,562.13x = 20,345.49 × 4,676.57
  4. Step 4: Simplify right side
    13,562.13x = 95,147,006.44
  5. Step 5: Solve for x
    x = 95,147,006.44/13,562.13
  6. Step 6: Final answer
    x = 7,015.64

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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.