Home / 19,150.36-28,710.04-5,995.96

Finding the Fourth Proportional to 19,150.36, 28,710.04 and 5,995.96

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Solution

The fourth proportional to 19,150.36, 28,710.04 and 5,995.96 is: 8,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.36 : 28,710.04 = 5,995.96 : x
  2. Step 2: Convert to fraction form
    19,150.36/28,710.04 = 5,995.96/x
  3. Step 3: Cross multiply
    19,150.36x = 28,710.04 × 5,995.96
  4. Step 4: Simplify right side
    19,150.36x = 172,144,251.44
  5. Step 5: Solve for x
    x = 172,144,251.44/19,150.36
  6. Step 6: Final answer
    x = 8,989.09

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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.