Home / 13,042.17-19,530.86-11,936.12

Finding the Fourth Proportional to 13,042.17, 19,530.86 and 11,936.12

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Solution

The fourth proportional to 13,042.17, 19,530.86 and 11,936.12 is: 17,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.17 : 19,530.86 = 11,936.12 : x
  2. Step 2: Convert to fraction form
    13,042.17/19,530.86 = 11,936.12/x
  3. Step 3: Cross multiply
    13,042.17x = 19,530.86 × 11,936.12
  4. Step 4: Simplify right side
    13,042.17x = 233,122,531.33
  5. Step 5: Solve for x
    x = 233,122,531.33/13,042.17
  6. Step 6: Final answer
    x = 17,874.52

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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.