Home / 16,705.24-23,043.84-15,013.96

Finding the Fourth Proportional to 16,705.24, 23,043.84 and 15,013.96

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Solution

The fourth proportional to 16,705.24, 23,043.84 and 15,013.96 is: 20,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.24 : 23,043.84 = 15,013.96 : x
  2. Step 2: Convert to fraction form
    16,705.24/23,043.84 = 15,013.96/x
  3. Step 3: Cross multiply
    16,705.24x = 23,043.84 × 15,013.96
  4. Step 4: Simplify right side
    16,705.24x = 345,979,292.01
  5. Step 5: Solve for x
    x = 345,979,292.01/16,705.24
  6. Step 6: Final answer
    x = 20,710.82

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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.