Home / 16,821.48-25,239.60-6,963

Finding the Fourth Proportional to 16,821.48, 25,239.60 and 6,963

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Solution

The fourth proportional to 16,821.48, 25,239.60 and 6,963 is: 10,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.48 : 25,239.60 = 6,963 : x
  2. Step 2: Convert to fraction form
    16,821.48/25,239.60 = 6,963/x
  3. Step 3: Cross multiply
    16,821.48x = 25,239.60 × 6,963
  4. Step 4: Simplify right side
    16,821.48x = 175,743,334.80
  5. Step 5: Solve for x
    x = 175,743,334.80/16,821.48
  6. Step 6: Final answer
    x = 10,447.55

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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.