Home / 13,705.10-20,545.29-4,933.88

Finding the Fourth Proportional to 13,705.10, 20,545.29 and 4,933.88

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Solution

The fourth proportional to 13,705.10, 20,545.29 and 4,933.88 is: 7,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.10 : 20,545.29 = 4,933.88 : x
  2. Step 2: Convert to fraction form
    13,705.10/20,545.29 = 4,933.88/x
  3. Step 3: Cross multiply
    13,705.10x = 20,545.29 × 4,933.88
  4. Step 4: Simplify right side
    13,705.10x = 101,367,995.43
  5. Step 5: Solve for x
    x = 101,367,995.43/13,705.10
  6. Step 6: Final answer
    x = 7,396.37

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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.