Home / 18,530.90-27,796.17-8,008.36

Finding the Fourth Proportional to 18,530.90, 27,796.17 and 8,008.36

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Solution

The fourth proportional to 18,530.90, 27,796.17 and 8,008.36 is: 12,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.90 : 27,796.17 = 8,008.36 : x
  2. Step 2: Convert to fraction form
    18,530.90/27,796.17 = 8,008.36/x
  3. Step 3: Cross multiply
    18,530.90x = 27,796.17 × 8,008.36
  4. Step 4: Simplify right side
    18,530.90x = 222,601,696.52
  5. Step 5: Solve for x
    x = 222,601,696.52/18,530.90
  6. Step 6: Final answer
    x = 12,012.46

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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.