Home / 16,749.44-23,087.76-13,381.64

Finding the Fourth Proportional to 16,749.44, 23,087.76 and 13,381.64

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Solution

The fourth proportional to 16,749.44, 23,087.76 and 13,381.64 is: 18,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.44 : 23,087.76 = 13,381.64 : x
  2. Step 2: Convert to fraction form
    16,749.44/23,087.76 = 13,381.64/x
  3. Step 3: Cross multiply
    16,749.44x = 23,087.76 × 13,381.64
  4. Step 4: Simplify right side
    16,749.44x = 308,952,092.73
  5. Step 5: Solve for x
    x = 308,952,092.73/16,749.44
  6. Step 6: Final answer
    x = 18,445.52

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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.