Home / 21,793.14-30,083.73-14,729.13

Finding the Fourth Proportional to 21,793.14, 30,083.73 and 14,729.13

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Solution

The fourth proportional to 21,793.14, 30,083.73 and 14,729.13 is: 20,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.14 : 30,083.73 = 14,729.13 : x
  2. Step 2: Convert to fraction form
    21,793.14/30,083.73 = 14,729.13/x
  3. Step 3: Cross multiply
    21,793.14x = 30,083.73 × 14,729.13
  4. Step 4: Simplify right side
    21,793.14x = 443,107,170.05
  5. Step 5: Solve for x
    x = 443,107,170.05/21,793.14
  6. Step 6: Final answer
    x = 20,332.42

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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.