Home / 21,173.14-29,217.93-11,741.50

Finding the Fourth Proportional to 21,173.14, 29,217.93 and 11,741.50

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Solution

The fourth proportional to 21,173.14, 29,217.93 and 11,741.50 is: 16,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,173.14 : 29,217.93 = 11,741.50 : x
  2. Step 2: Convert to fraction form
    21,173.14/29,217.93 = 11,741.50/x
  3. Step 3: Cross multiply
    21,173.14x = 29,217.93 × 11,741.50
  4. Step 4: Simplify right side
    21,173.14x = 343,062,179.01
  5. Step 5: Solve for x
    x = 343,062,179.01/21,173.14
  6. Step 6: Final answer
    x = 16,202.71

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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.