Home / 19,572.96-29,359.44-13,755.54

Finding the Fourth Proportional to 19,572.96, 29,359.44 and 13,755.54

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Solution

The fourth proportional to 19,572.96, 29,359.44 and 13,755.54 is: 20,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.96 : 29,359.44 = 13,755.54 : x
  2. Step 2: Convert to fraction form
    19,572.96/29,359.44 = 13,755.54/x
  3. Step 3: Cross multiply
    19,572.96x = 29,359.44 × 13,755.54
  4. Step 4: Simplify right side
    19,572.96x = 403,854,951.30
  5. Step 5: Solve for x
    x = 403,854,951.30/19,572.96
  6. Step 6: Final answer
    x = 20,633.31

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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.