Home / 16,821.98-25,240.20-6,968.42

Finding the Fourth Proportional to 16,821.98, 25,240.20 and 6,968.42

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Solution

The fourth proportional to 16,821.98, 25,240.20 and 6,968.42 is: 10,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.98 : 25,240.20 = 6,968.42 : x
  2. Step 2: Convert to fraction form
    16,821.98/25,240.20 = 6,968.42/x
  3. Step 3: Cross multiply
    16,821.98x = 25,240.20 × 6,968.42
  4. Step 4: Simplify right side
    16,821.98x = 175,884,314.48
  5. Step 5: Solve for x
    x = 175,884,314.48/16,821.98
  6. Step 6: Final answer
    x = 10,455.62

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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.