Home / 16,212.21-22,391.31-10,897.80

Finding the Fourth Proportional to 16,212.21, 22,391.31 and 10,897.80

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Solution

The fourth proportional to 16,212.21, 22,391.31 and 10,897.80 is: 15,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.21 : 22,391.31 = 10,897.80 : x
  2. Step 2: Convert to fraction form
    16,212.21/22,391.31 = 10,897.80/x
  3. Step 3: Cross multiply
    16,212.21x = 22,391.31 × 10,897.80
  4. Step 4: Simplify right side
    16,212.21x = 244,016,142.95
  5. Step 5: Solve for x
    x = 244,016,142.95/16,212.21
  6. Step 6: Final answer
    x = 15,051.38

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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.