Home / 16,776.21-25,172.52-11,877.33

Finding the Fourth Proportional to 16,776.21, 25,172.52 and 11,877.33

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Solution

The fourth proportional to 16,776.21, 25,172.52 and 11,877.33 is: 17,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.21 : 25,172.52 = 11,877.33 : x
  2. Step 2: Convert to fraction form
    16,776.21/25,172.52 = 11,877.33/x
  3. Step 3: Cross multiply
    16,776.21x = 25,172.52 × 11,877.33
  4. Step 4: Simplify right side
    16,776.21x = 298,982,267.58
  5. Step 5: Solve for x
    x = 298,982,267.58/16,776.21
  6. Step 6: Final answer
    x = 17,821.80

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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.