Home / 16,754.12-23,121.22-9,680.54

Finding the Fourth Proportional to 16,754.12, 23,121.22 and 9,680.54

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Solution

The fourth proportional to 16,754.12, 23,121.22 and 9,680.54 is: 13,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.12 : 23,121.22 = 9,680.54 : x
  2. Step 2: Convert to fraction form
    16,754.12/23,121.22 = 9,680.54/x
  3. Step 3: Cross multiply
    16,754.12x = 23,121.22 × 9,680.54
  4. Step 4: Simplify right side
    16,754.12x = 223,825,755.25
  5. Step 5: Solve for x
    x = 223,825,755.25/16,754.12
  6. Step 6: Final answer
    x = 13,359.45

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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.