Home / 18,932.44-26,102.50-15,516.88

Finding the Fourth Proportional to 18,932.44, 26,102.50 and 15,516.88

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Solution

The fourth proportional to 18,932.44, 26,102.50 and 15,516.88 is: 21,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.44 : 26,102.50 = 15,516.88 : x
  2. Step 2: Convert to fraction form
    18,932.44/26,102.50 = 15,516.88/x
  3. Step 3: Cross multiply
    18,932.44x = 26,102.50 × 15,516.88
  4. Step 4: Simplify right side
    18,932.44x = 405,029,360.20
  5. Step 5: Solve for x
    x = 405,029,360.20/18,932.44
  6. Step 6: Final answer
    x = 21,393.41

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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.