Home / 21,301.72-29,396.58-11,741.95

Finding the Fourth Proportional to 21,301.72, 29,396.58 and 11,741.95

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Solution

The fourth proportional to 21,301.72, 29,396.58 and 11,741.95 is: 16,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301.72 : 29,396.58 = 11,741.95 : x
  2. Step 2: Convert to fraction form
    21,301.72/29,396.58 = 11,741.95/x
  3. Step 3: Cross multiply
    21,301.72x = 29,396.58 × 11,741.95
  4. Step 4: Simplify right side
    21,301.72x = 345,173,172.53
  5. Step 5: Solve for x
    x = 345,173,172.53/21,301.72
  6. Step 6: Final answer
    x = 16,204.00

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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.