Home / 14,658.36-20,228.56-8,692.96

Finding the Fourth Proportional to 14,658.36, 20,228.56 and 8,692.96

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Solution

The fourth proportional to 14,658.36, 20,228.56 and 8,692.96 is: 11,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.36 : 20,228.56 = 8,692.96 : x
  2. Step 2: Convert to fraction form
    14,658.36/20,228.56 = 8,692.96/x
  3. Step 3: Cross multiply
    14,658.36x = 20,228.56 × 8,692.96
  4. Step 4: Simplify right side
    14,658.36x = 175,846,062.94
  5. Step 5: Solve for x
    x = 175,846,062.94/14,658.36
  6. Step 6: Final answer
    x = 11,996.30

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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.