Home / 21,702.26-32,542.59-10,005.50

Finding the Fourth Proportional to 21,702.26, 32,542.59 and 10,005.50

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Solution

The fourth proportional to 21,702.26, 32,542.59 and 10,005.50 is: 15,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.26 : 32,542.59 = 10,005.50 : x
  2. Step 2: Convert to fraction form
    21,702.26/32,542.59 = 10,005.50/x
  3. Step 3: Cross multiply
    21,702.26x = 32,542.59 × 10,005.50
  4. Step 4: Simplify right side
    21,702.26x = 325,604,884.25
  5. Step 5: Solve for x
    x = 325,604,884.25/21,702.26
  6. Step 6: Final answer
    x = 15,003.27

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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.