Home / 21,702.52-29,949.72-11,766.52

Finding the Fourth Proportional to 21,702.52, 29,949.72 and 11,766.52

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Solution

The fourth proportional to 21,702.52, 29,949.72 and 11,766.52 is: 16,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.52 : 29,949.72 = 11,766.52 : x
  2. Step 2: Convert to fraction form
    21,702.52/29,949.72 = 11,766.52/x
  3. Step 3: Cross multiply
    21,702.52x = 29,949.72 × 11,766.52
  4. Step 4: Simplify right side
    21,702.52x = 352,403,979.37
  5. Step 5: Solve for x
    x = 352,403,979.37/21,702.52
  6. Step 6: Final answer
    x = 16,237.93

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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.