Home / 19,089.39-28,645.24-7,995.14

Finding the Fourth Proportional to 19,089.39, 28,645.24 and 7,995.14

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Solution

The fourth proportional to 19,089.39, 28,645.24 and 7,995.14 is: 11,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.39 : 28,645.24 = 7,995.14 : x
  2. Step 2: Convert to fraction form
    19,089.39/28,645.24 = 7,995.14/x
  3. Step 3: Cross multiply
    19,089.39x = 28,645.24 × 7,995.14
  4. Step 4: Simplify right side
    19,089.39x = 229,022,704.13
  5. Step 5: Solve for x
    x = 229,022,704.13/19,089.39
  6. Step 6: Final answer
    x = 11,997.38

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Half scale
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Double scale
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Similar ratio
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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.