Home / 22,195.40-30,625.58-12,634.72

Finding the Fourth Proportional to 22,195.40, 30,625.58 and 12,634.72

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Solution

The fourth proportional to 22,195.40, 30,625.58 and 12,634.72 is: 17,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.40 : 30,625.58 = 12,634.72 : x
  2. Step 2: Convert to fraction form
    22,195.40/30,625.58 = 12,634.72/x
  3. Step 3: Cross multiply
    22,195.40x = 30,625.58 × 12,634.72
  4. Step 4: Simplify right side
    22,195.40x = 386,945,628.14
  5. Step 5: Solve for x
    x = 386,945,628.14/22,195.40
  6. Step 6: Final answer
    x = 17,433.60

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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.