Home / 21,173.16-29,217.96-11,741.52

Finding the Fourth Proportional to 21,173.16, 29,217.96 and 11,741.52

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Solution

The fourth proportional to 21,173.16, 29,217.96 and 11,741.52 is: 16,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173.16 : 29,217.96 = 11,741.52 : x
  2. Step 2: Convert to fraction form
    21,173.16/29,217.96 = 11,741.52/x
  3. Step 3: Cross multiply
    21,173.16x = 29,217.96 × 11,741.52
  4. Step 4: Simplify right side
    21,173.16x = 343,063,261.70
  5. Step 5: Solve for x
    x = 343,063,261.70/21,173.16
  6. Step 6: Final answer
    x = 16,202.74

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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.