Home / 17,703.36-26,520.48-13,789.44

Finding the Fourth Proportional to 17,703.36, 26,520.48 and 13,789.44

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Solution

The fourth proportional to 17,703.36, 26,520.48 and 13,789.44 is: 20,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.36 : 26,520.48 = 13,789.44 : x
  2. Step 2: Convert to fraction form
    17,703.36/26,520.48 = 13,789.44/x
  3. Step 3: Cross multiply
    17,703.36x = 26,520.48 × 13,789.44
  4. Step 4: Simplify right side
    17,703.36x = 365,702,567.73
  5. Step 5: Solve for x
    x = 365,702,567.73/17,703.36
  6. Step 6: Final answer
    x = 20,657.24

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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.