Home / 16,995.04-25,496.21-7,128.64

Finding the Fourth Proportional to 16,995.04, 25,496.21 and 7,128.64

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Solution

The fourth proportional to 16,995.04, 25,496.21 and 7,128.64 is: 10,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,995.04 : 25,496.21 = 7,128.64 : x
  2. Step 2: Convert to fraction form
    16,995.04/25,496.21 = 7,128.64/x
  3. Step 3: Cross multiply
    16,995.04x = 25,496.21 × 7,128.64
  4. Step 4: Simplify right side
    16,995.04x = 181,753,208.73
  5. Step 5: Solve for x
    x = 181,753,208.73/16,995.04
  6. Step 6: Final answer
    x = 10,694.48

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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.