Home / 21,197.43-31,804.52-8,053.29

Finding the Fourth Proportional to 21,197.43, 31,804.52 and 8,053.29

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Solution

The fourth proportional to 21,197.43, 31,804.52 and 8,053.29 is: 12,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.43 : 31,804.52 = 8,053.29 : x
  2. Step 2: Convert to fraction form
    21,197.43/31,804.52 = 8,053.29/x
  3. Step 3: Cross multiply
    21,197.43x = 31,804.52 × 8,053.29
  4. Step 4: Simplify right side
    21,197.43x = 256,130,982.60
  5. Step 5: Solve for x
    x = 256,130,982.60/21,197.43
  6. Step 6: Final answer
    x = 12,083.11

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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.