Home / 13,897.13-20,847.85-4,665.29

Finding the Fourth Proportional to 13,897.13, 20,847.85 and 4,665.29

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Solution

The fourth proportional to 13,897.13, 20,847.85 and 4,665.29 is: 6,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.13 : 20,847.85 = 4,665.29 : x
  2. Step 2: Convert to fraction form
    13,897.13/20,847.85 = 4,665.29/x
  3. Step 3: Cross multiply
    13,897.13x = 20,847.85 × 4,665.29
  4. Step 4: Simplify right side
    13,897.13x = 97,261,150.22
  5. Step 5: Solve for x
    x = 97,261,150.22/13,897.13
  6. Step 6: Final answer
    x = 6,998.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.