Home / 18,057.18-27,092.25-11,123.58

Finding the Fourth Proportional to 18,057.18, 27,092.25 and 11,123.58

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Solution

The fourth proportional to 18,057.18, 27,092.25 and 11,123.58 is: 16,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.18 : 27,092.25 = 11,123.58 : x
  2. Step 2: Convert to fraction form
    18,057.18/27,092.25 = 11,123.58/x
  3. Step 3: Cross multiply
    18,057.18x = 27,092.25 × 11,123.58
  4. Step 4: Simplify right side
    18,057.18x = 301,362,810.26
  5. Step 5: Solve for x
    x = 301,362,810.26/18,057.18
  6. Step 6: Final answer
    x = 16,689.36

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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.