Home / 14,845.24-20,488.68-8,471.80

Finding the Fourth Proportional to 14,845.24, 20,488.68 and 8,471.80

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Solution

The fourth proportional to 14,845.24, 20,488.68 and 8,471.80 is: 11,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.24 : 20,488.68 = 8,471.80 : x
  2. Step 2: Convert to fraction form
    14,845.24/20,488.68 = 8,471.80/x
  3. Step 3: Cross multiply
    14,845.24x = 20,488.68 × 8,471.80
  4. Step 4: Simplify right side
    14,845.24x = 173,575,999.22
  5. Step 5: Solve for x
    x = 173,575,999.22/14,845.24
  6. Step 6: Final answer
    x = 11,692.37

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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.