Home / 21,949.99-32,860.71-13,604.83

Finding the Fourth Proportional to 21,949.99, 32,860.71 and 13,604.83

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Solution

The fourth proportional to 21,949.99, 32,860.71 and 13,604.83 is: 20,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949.99 : 32,860.71 = 13,604.83 : x
  2. Step 2: Convert to fraction form
    21,949.99/32,860.71 = 13,604.83/x
  3. Step 3: Cross multiply
    21,949.99x = 32,860.71 × 13,604.83
  4. Step 4: Simplify right side
    21,949.99x = 447,064,373.23
  5. Step 5: Solve for x
    x = 447,064,373.23/21,949.99
  6. Step 6: Final answer
    x = 20,367.41

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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.