Home / 12,904.66-17,692.49-12,671.38

Finding the Fourth Proportional to 12,904.66, 17,692.49 and 12,671.38

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Solution

The fourth proportional to 12,904.66, 17,692.49 and 12,671.38 is: 17,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.66 : 17,692.49 = 12,671.38 : x
  2. Step 2: Convert to fraction form
    12,904.66/17,692.49 = 12,671.38/x
  3. Step 3: Cross multiply
    12,904.66x = 17,692.49 × 12,671.38
  4. Step 4: Simplify right side
    12,904.66x = 224,188,263.94
  5. Step 5: Solve for x
    x = 224,188,263.94/12,904.66
  6. Step 6: Final answer
    x = 17,372.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.