Home / 16,720.09-25,083.42-6,190.20

Finding the Fourth Proportional to 16,720.09, 25,083.42 and 6,190.20

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Solution

The fourth proportional to 16,720.09, 25,083.42 and 6,190.20 is: 9,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.09 : 25,083.42 = 6,190.20 : x
  2. Step 2: Convert to fraction form
    16,720.09/25,083.42 = 6,190.20/x
  3. Step 3: Cross multiply
    16,720.09x = 25,083.42 × 6,190.20
  4. Step 4: Simplify right side
    16,720.09x = 155,271,363.27
  5. Step 5: Solve for x
    x = 155,271,363.27/16,720.09
  6. Step 6: Final answer
    x = 9,286.51

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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.