Home / 19,702.73-27,194.16-12,531.26

Finding the Fourth Proportional to 19,702.73, 27,194.16 and 12,531.26

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Solution

The fourth proportional to 19,702.73, 27,194.16 and 12,531.26 is: 17,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.73 : 27,194.16 = 12,531.26 : x
  2. Step 2: Convert to fraction form
    19,702.73/27,194.16 = 12,531.26/x
  3. Step 3: Cross multiply
    19,702.73x = 27,194.16 × 12,531.26
  4. Step 4: Simplify right side
    19,702.73x = 340,776,953.47
  5. Step 5: Solve for x
    x = 340,776,953.47/19,702.73
  6. Step 6: Final answer
    x = 17,295.93

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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.