Home / 21,732.93-29,991.83-16,958.25

Finding the Fourth Proportional to 21,732.93, 29,991.83 and 16,958.25

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Solution

The fourth proportional to 21,732.93, 29,991.83 and 16,958.25 is: 23,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.93 : 29,991.83 = 16,958.25 : x
  2. Step 2: Convert to fraction form
    21,732.93/29,991.83 = 16,958.25/x
  3. Step 3: Cross multiply
    21,732.93x = 29,991.83 × 16,958.25
  4. Step 4: Simplify right side
    21,732.93x = 508,608,866.31
  5. Step 5: Solve for x
    x = 508,608,866.31/21,732.93
  6. Step 6: Final answer
    x = 23,402.68

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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.