Home / 20,228.98-27,852.47-17,198.14

Finding the Fourth Proportional to 20,228.98, 27,852.47 and 17,198.14

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Solution

The fourth proportional to 20,228.98, 27,852.47 and 17,198.14 is: 23,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.98 : 27,852.47 = 17,198.14 : x
  2. Step 2: Convert to fraction form
    20,228.98/27,852.47 = 17,198.14/x
  3. Step 3: Cross multiply
    20,228.98x = 27,852.47 × 17,198.14
  4. Step 4: Simplify right side
    20,228.98x = 479,010,678.41
  5. Step 5: Solve for x
    x = 479,010,678.41/20,228.98
  6. Step 6: Final answer
    x = 23,679.43

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1.5x scale

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.