Home / 23,170.16-31,964.64-17,783.09

Finding the Fourth Proportional to 23,170.16, 31,964.64 and 17,783.09

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Solution

The fourth proportional to 23,170.16, 31,964.64 and 17,783.09 is: 24,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.16 : 31,964.64 = 17,783.09 : x
  2. Step 2: Convert to fraction form
    23,170.16/31,964.64 = 17,783.09/x
  3. Step 3: Cross multiply
    23,170.16x = 31,964.64 × 17,783.09
  4. Step 4: Simplify right side
    23,170.16x = 568,429,910.11
  5. Step 5: Solve for x
    x = 568,429,910.11/23,170.16
  6. Step 6: Final answer
    x = 24,532.85

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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.