Home / 17,628.12-26,456.76-13,231.44

Finding the Fourth Proportional to 17,628.12, 26,456.76 and 13,231.44

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Solution

The fourth proportional to 17,628.12, 26,456.76 and 13,231.44 is: 19,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.12 : 26,456.76 = 13,231.44 : x
  2. Step 2: Convert to fraction form
    17,628.12/26,456.76 = 13,231.44/x
  3. Step 3: Cross multiply
    17,628.12x = 26,456.76 × 13,231.44
  4. Step 4: Simplify right side
    17,628.12x = 350,061,032.53
  5. Step 5: Solve for x
    x = 350,061,032.53/17,628.12
  6. Step 6: Final answer
    x = 19,858.10

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1.5x scale

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.