Home / 18,026.24-27,029.12-13,152

Finding the Fourth Proportional to 18,026.24, 27,029.12 and 13,152

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Solution

The fourth proportional to 18,026.24, 27,029.12 and 13,152 is: 19,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.24 : 27,029.12 = 13,152 : x
  2. Step 2: Convert to fraction form
    18,026.24/27,029.12 = 13,152/x
  3. Step 3: Cross multiply
    18,026.24x = 27,029.12 × 13,152
  4. Step 4: Simplify right side
    18,026.24x = 355,486,986.24
  5. Step 5: Solve for x
    x = 355,486,986.24/18,026.24
  6. Step 6: Final answer
    x = 19,720.53

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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.