Home / 23,175.45-31,982.18-12,565.04

Finding the Fourth Proportional to 23,175.45, 31,982.18 and 12,565.04

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Solution

The fourth proportional to 23,175.45, 31,982.18 and 12,565.04 is: 17,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.45 : 31,982.18 = 12,565.04 : x
  2. Step 2: Convert to fraction form
    23,175.45/31,982.18 = 12,565.04/x
  3. Step 3: Cross multiply
    23,175.45x = 31,982.18 × 12,565.04
  4. Step 4: Simplify right side
    23,175.45x = 401,857,148.25
  5. Step 5: Solve for x
    x = 401,857,148.25/23,175.45
  6. Step 6: Final answer
    x = 17,339.78

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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.