Home / 21,591.29-29,799.79-16,167.53

Finding the Fourth Proportional to 21,591.29, 29,799.79 and 16,167.53

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Solution

The fourth proportional to 21,591.29, 29,799.79 and 16,167.53 is: 22,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.29 : 29,799.79 = 16,167.53 : x
  2. Step 2: Convert to fraction form
    21,591.29/29,799.79 = 16,167.53/x
  3. Step 3: Cross multiply
    21,591.29x = 29,799.79 × 16,167.53
  4. Step 4: Simplify right side
    21,591.29x = 481,789,032.90
  5. Step 5: Solve for x
    x = 481,789,032.90/21,591.29
  6. Step 6: Final answer
    x = 22,314.04

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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.