Home / 16,821.78-25,232.67-6,950.22

Finding the Fourth Proportional to 16,821.78, 25,232.67 and 6,950.22

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Solution

The fourth proportional to 16,821.78, 25,232.67 and 6,950.22 is: 10,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.78 : 25,232.67 = 6,950.22 : x
  2. Step 2: Convert to fraction form
    16,821.78/25,232.67 = 6,950.22/x
  3. Step 3: Cross multiply
    16,821.78x = 25,232.67 × 6,950.22
  4. Step 4: Simplify right side
    16,821.78x = 175,372,607.69
  5. Step 5: Solve for x
    x = 175,372,607.69/16,821.78
  6. Step 6: Final answer
    x = 10,425.33

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Double scale
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Similar ratio
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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.