Home / 16,983.16-25,477.80-6,986.14

Finding the Fourth Proportional to 16,983.16, 25,477.80 and 6,986.14

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Solution

The fourth proportional to 16,983.16, 25,477.80 and 6,986.14 is: 10,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.16 : 25,477.80 = 6,986.14 : x
  2. Step 2: Convert to fraction form
    16,983.16/25,477.80 = 6,986.14/x
  3. Step 3: Cross multiply
    16,983.16x = 25,477.80 × 6,986.14
  4. Step 4: Simplify right side
    16,983.16x = 177,991,477.69
  5. Step 5: Solve for x
    x = 177,991,477.69/16,983.16
  6. Step 6: Final answer
    x = 10,480.47

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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.