Home / 22,722.32-31,357.33-12,651.44

Finding the Fourth Proportional to 22,722.32, 31,357.33 and 12,651.44

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Solution

The fourth proportional to 22,722.32, 31,357.33 and 12,651.44 is: 17,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.32 : 31,357.33 = 12,651.44 : x
  2. Step 2: Convert to fraction form
    22,722.32/31,357.33 = 12,651.44/x
  3. Step 3: Cross multiply
    22,722.32x = 31,357.33 × 12,651.44
  4. Step 4: Simplify right side
    22,722.32x = 396,715,190.64
  5. Step 5: Solve for x
    x = 396,715,190.64/22,722.32
  6. Step 6: Final answer
    x = 17,459.27

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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.