Home / 19,493.06-29,098.57-17,128.43

Finding the Fourth Proportional to 19,493.06, 29,098.57 and 17,128.43

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Solution

The fourth proportional to 19,493.06, 29,098.57 and 17,128.43 is: 25,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.06 : 29,098.57 = 17,128.43 : x
  2. Step 2: Convert to fraction form
    19,493.06/29,098.57 = 17,128.43/x
  3. Step 3: Cross multiply
    19,493.06x = 29,098.57 × 17,128.43
  4. Step 4: Simplify right side
    19,493.06x = 498,412,631.03
  5. Step 5: Solve for x
    x = 498,412,631.03/19,493.06
  6. Step 6: Final answer
    x = 25,568.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.