Home / 23,015.40-34,523.10-16,405.80

Finding the Fourth Proportional to 23,015.40, 34,523.10 and 16,405.80

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Solution

The fourth proportional to 23,015.40, 34,523.10 and 16,405.80 is: 24,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.40 : 34,523.10 = 16,405.80 : x
  2. Step 2: Convert to fraction form
    23,015.40/34,523.10 = 16,405.80/x
  3. Step 3: Cross multiply
    23,015.40x = 34,523.10 × 16,405.80
  4. Step 4: Simplify right side
    23,015.40x = 566,379,073.98
  5. Step 5: Solve for x
    x = 566,379,073.98/23,015.40
  6. Step 6: Final answer
    x = 24,608.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.