Home / 21,402.24-29,537.04-11,973.84

Finding the Fourth Proportional to 21,402.24, 29,537.04 and 11,973.84

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Solution

The fourth proportional to 21,402.24, 29,537.04 and 11,973.84 is: 16,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.24 : 29,537.04 = 11,973.84 : x
  2. Step 2: Convert to fraction form
    21,402.24/29,537.04 = 11,973.84/x
  3. Step 3: Cross multiply
    21,402.24x = 29,537.04 × 11,973.84
  4. Step 4: Simplify right side
    21,402.24x = 353,671,791.03
  5. Step 5: Solve for x
    x = 353,671,791.03/21,402.24
  6. Step 6: Final answer
    x = 16,524.99

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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.