Home / 21,193.04-29,251.77-14,481.38

Finding the Fourth Proportional to 21,193.04, 29,251.77 and 14,481.38

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Solution

The fourth proportional to 21,193.04, 29,251.77 and 14,481.38 is: 19,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.04 : 29,251.77 = 14,481.38 : x
  2. Step 2: Convert to fraction form
    21,193.04/29,251.77 = 14,481.38/x
  3. Step 3: Cross multiply
    21,193.04x = 29,251.77 × 14,481.38
  4. Step 4: Simplify right side
    21,193.04x = 423,605,997.04
  5. Step 5: Solve for x
    x = 423,605,997.04/21,193.04
  6. Step 6: Final answer
    x = 19,987.98

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1.5x scale

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.