Home / 21,436.37-29,563.92-16,952.34

Finding the Fourth Proportional to 21,436.37, 29,563.92 and 16,952.34

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Solution

The fourth proportional to 21,436.37, 29,563.92 and 16,952.34 is: 23,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436.37 : 29,563.92 = 16,952.34 : x
  2. Step 2: Convert to fraction form
    21,436.37/29,563.92 = 16,952.34/x
  3. Step 3: Cross multiply
    21,436.37x = 29,563.92 × 16,952.34
  4. Step 4: Simplify right side
    21,436.37x = 501,177,623.57
  5. Step 5: Solve for x
    x = 501,177,623.57/21,436.37
  6. Step 6: Final answer
    x = 23,379.78

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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.