Home / 22,209.26-30,651.62-12,777.82

Finding the Fourth Proportional to 22,209.26, 30,651.62 and 12,777.82

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Solution

The fourth proportional to 22,209.26, 30,651.62 and 12,777.82 is: 17,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.26 : 30,651.62 = 12,777.82 : x
  2. Step 2: Convert to fraction form
    22,209.26/30,651.62 = 12,777.82/x
  3. Step 3: Cross multiply
    22,209.26x = 30,651.62 × 12,777.82
  4. Step 4: Simplify right side
    22,209.26x = 391,660,742.55
  5. Step 5: Solve for x
    x = 391,660,742.55/22,209.26
  6. Step 6: Final answer
    x = 17,635.02

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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.