Home / 19,707.73-27,196.65-12,634.16

Finding the Fourth Proportional to 19,707.73, 27,196.65 and 12,634.16

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Solution

The fourth proportional to 19,707.73, 27,196.65 and 12,634.16 is: 17,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.73 : 27,196.65 = 12,634.16 : x
  2. Step 2: Convert to fraction form
    19,707.73/27,196.65 = 12,634.16/x
  3. Step 3: Cross multiply
    19,707.73x = 27,196.65 × 12,634.16
  4. Step 4: Simplify right side
    19,707.73x = 343,606,691.58
  5. Step 5: Solve for x
    x = 343,606,691.58/19,707.73
  6. Step 6: Final answer
    x = 17,435.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.