Home / 12,626.38-17,423.20-12,201.94

Finding the Fourth Proportional to 12,626.38, 17,423.20 and 12,201.94

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Solution

The fourth proportional to 12,626.38, 17,423.20 and 12,201.94 is: 16,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.38 : 17,423.20 = 12,201.94 : x
  2. Step 2: Convert to fraction form
    12,626.38/17,423.20 = 12,201.94/x
  3. Step 3: Cross multiply
    12,626.38x = 17,423.20 × 12,201.94
  4. Step 4: Simplify right side
    12,626.38x = 212,596,878.04
  5. Step 5: Solve for x
    x = 212,596,878.04/12,626.38
  6. Step 6: Final answer
    x = 16,837.51

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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.