Home / 13,822.10-20,736.15-5,057.02

Finding the Fourth Proportional to 13,822.10, 20,736.15 and 5,057.02

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Solution

The fourth proportional to 13,822.10, 20,736.15 and 5,057.02 is: 7,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.10 : 20,736.15 = 5,057.02 : x
  2. Step 2: Convert to fraction form
    13,822.10/20,736.15 = 5,057.02/x
  3. Step 3: Cross multiply
    13,822.10x = 20,736.15 × 5,057.02
  4. Step 4: Simplify right side
    13,822.10x = 104,863,125.27
  5. Step 5: Solve for x
    x = 104,863,125.27/13,822.10
  6. Step 6: Final answer
    x = 7,586.63

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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.