Home / 26,429.49-39,644.19-6,438.97

Finding the Fourth Proportional to 26,429.49, 39,644.19 and 6,438.97

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Solution

The fourth proportional to 26,429.49, 39,644.19 and 6,438.97 is: 9,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.49 : 39,644.19 = 6,438.97 : x
  2. Step 2: Convert to fraction form
    26,429.49/39,644.19 = 6,438.97/x
  3. Step 3: Cross multiply
    26,429.49x = 39,644.19 × 6,438.97
  4. Step 4: Simplify right side
    26,429.49x = 255,267,750.08
  5. Step 5: Solve for x
    x = 255,267,750.08/26,429.49
  6. Step 6: Final answer
    x = 9,658.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.