Home / 23,175.42-31,979.68-14,223.30

Finding the Fourth Proportional to 23,175.42, 31,979.68 and 14,223.30

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Solution

The fourth proportional to 23,175.42, 31,979.68 and 14,223.30 is: 19,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.42 : 31,979.68 = 14,223.30 : x
  2. Step 2: Convert to fraction form
    23,175.42/31,979.68 = 14,223.30/x
  3. Step 3: Cross multiply
    23,175.42x = 31,979.68 × 14,223.30
  4. Step 4: Simplify right side
    23,175.42x = 454,856,582.54
  5. Step 5: Solve for x
    x = 454,856,582.54/23,175.42
  6. Step 6: Final answer
    x = 19,626.68

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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.