Home / 22,277.22-30,741.12-12,205.64

Finding the Fourth Proportional to 22,277.22, 30,741.12 and 12,205.64

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Solution

The fourth proportional to 22,277.22, 30,741.12 and 12,205.64 is: 16,842.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.22 : 30,741.12 = 12,205.64 : x
  2. Step 2: Convert to fraction form
    22,277.22/30,741.12 = 12,205.64/x
  3. Step 3: Cross multiply
    22,277.22x = 30,741.12 × 12,205.64
  4. Step 4: Simplify right side
    22,277.22x = 375,215,043.92
  5. Step 5: Solve for x
    x = 375,215,043.92/22,277.22
  6. Step 6: Final answer
    x = 16,842.99

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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.