Home / 23,396.10-32,286.72-12,785.88

Finding the Fourth Proportional to 23,396.10, 32,286.72 and 12,785.88

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Solution

The fourth proportional to 23,396.10, 32,286.72 and 12,785.88 is: 17,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,396.10 : 32,286.72 = 12,785.88 : x
  2. Step 2: Convert to fraction form
    23,396.10/32,286.72 = 12,785.88/x
  3. Step 3: Cross multiply
    23,396.10x = 32,286.72 × 12,785.88
  4. Step 4: Simplify right side
    23,396.10x = 412,814,127.51
  5. Step 5: Solve for x
    x = 412,814,127.51/23,396.10
  6. Step 6: Final answer
    x = 17,644.57

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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.