Home / 19,898.22-27,463.46-11,406.04

Finding the Fourth Proportional to 19,898.22, 27,463.46 and 11,406.04

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Solution

The fourth proportional to 19,898.22, 27,463.46 and 11,406.04 is: 15,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.22 : 27,463.46 = 11,406.04 : x
  2. Step 2: Convert to fraction form
    19,898.22/27,463.46 = 11,406.04/x
  3. Step 3: Cross multiply
    19,898.22x = 27,463.46 × 11,406.04
  4. Step 4: Simplify right side
    19,898.22x = 313,249,197.61
  5. Step 5: Solve for x
    x = 313,249,197.61/19,898.22
  6. Step 6: Final answer
    x = 15,742.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.