Home / 19,022.18-28,537.94-13,410.81

Finding the Fourth Proportional to 19,022.18, 28,537.94 and 13,410.81

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Solution

The fourth proportional to 19,022.18, 28,537.94 and 13,410.81 is: 20,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.18 : 28,537.94 = 13,410.81 : x
  2. Step 2: Convert to fraction form
    19,022.18/28,537.94 = 13,410.81/x
  3. Step 3: Cross multiply
    19,022.18x = 28,537.94 × 13,410.81
  4. Step 4: Simplify right side
    19,022.18x = 382,716,924.66
  5. Step 5: Solve for x
    x = 382,716,924.66/19,022.18
  6. Step 6: Final answer
    x = 20,119.51

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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.