Home / 21,974.88-30,296.80-14,003.27

Finding the Fourth Proportional to 21,974.88, 30,296.80 and 14,003.27

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Solution

The fourth proportional to 21,974.88, 30,296.80 and 14,003.27 is: 19,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.88 : 30,296.80 = 14,003.27 : x
  2. Step 2: Convert to fraction form
    21,974.88/30,296.80 = 14,003.27/x
  3. Step 3: Cross multiply
    21,974.88x = 30,296.80 × 14,003.27
  4. Step 4: Simplify right side
    21,974.88x = 424,254,270.54
  5. Step 5: Solve for x
    x = 424,254,270.54/21,974.88
  6. Step 6: Final answer
    x = 19,306.33

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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.