Home / 14,928.88-20,605.20-11,692.28

Finding the Fourth Proportional to 14,928.88, 20,605.20 and 11,692.28

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Solution

The fourth proportional to 14,928.88, 20,605.20 and 11,692.28 is: 16,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.88 : 20,605.20 = 11,692.28 : x
  2. Step 2: Convert to fraction form
    14,928.88/20,605.20 = 11,692.28/x
  3. Step 3: Cross multiply
    14,928.88x = 20,605.20 × 11,692.28
  4. Step 4: Simplify right side
    14,928.88x = 240,921,767.86
  5. Step 5: Solve for x
    x = 240,921,767.86/14,928.88
  6. Step 6: Final answer
    x = 16,137.97

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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.