Home / 16,770.24-23,142.96-9,696.64

Finding the Fourth Proportional to 16,770.24, 23,142.96 and 9,696.64

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Solution

The fourth proportional to 16,770.24, 23,142.96 and 9,696.64 is: 13,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.24 : 23,142.96 = 9,696.64 : x
  2. Step 2: Convert to fraction form
    16,770.24/23,142.96 = 9,696.64/x
  3. Step 3: Cross multiply
    16,770.24x = 23,142.96 × 9,696.64
  4. Step 4: Simplify right side
    16,770.24x = 224,408,951.65
  5. Step 5: Solve for x
    x = 224,408,951.65/16,770.24
  6. Step 6: Final answer
    x = 13,381.38

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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.