Home / 19,536.18-29,291.31-10,775.22

Finding the Fourth Proportional to 19,536.18, 29,291.31 and 10,775.22

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Solution

The fourth proportional to 19,536.18, 29,291.31 and 10,775.22 is: 16,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.18 : 29,291.31 = 10,775.22 : x
  2. Step 2: Convert to fraction form
    19,536.18/29,291.31 = 10,775.22/x
  3. Step 3: Cross multiply
    19,536.18x = 29,291.31 × 10,775.22
  4. Step 4: Simplify right side
    19,536.18x = 315,620,309.34
  5. Step 5: Solve for x
    x = 315,620,309.34/19,536.18
  6. Step 6: Final answer
    x = 16,155.68

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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.