Home / 19,933.76-27,309.38-19,186.40

Finding the Fourth Proportional to 19,933.76, 27,309.38 and 19,186.40

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Solution

The fourth proportional to 19,933.76, 27,309.38 and 19,186.40 is: 26,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.76 : 27,309.38 = 19,186.40 : x
  2. Step 2: Convert to fraction form
    19,933.76/27,309.38 = 19,186.40/x
  3. Step 3: Cross multiply
    19,933.76x = 27,309.38 × 19,186.40
  4. Step 4: Simplify right side
    19,933.76x = 523,968,688.43
  5. Step 5: Solve for x
    x = 523,968,688.43/19,933.76
  6. Step 6: Final answer
    x = 26,285.49

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.