Home / 18,896.22-26,076.80-10,512.72

Finding the Fourth Proportional to 18,896.22, 26,076.80 and 10,512.72

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Solution

The fourth proportional to 18,896.22, 26,076.80 and 10,512.72 is: 14,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.22 : 26,076.80 = 10,512.72 : x
  2. Step 2: Convert to fraction form
    18,896.22/26,076.80 = 10,512.72/x
  3. Step 3: Cross multiply
    18,896.22x = 26,076.80 × 10,512.72
  4. Step 4: Simplify right side
    18,896.22x = 274,138,123.18
  5. Step 5: Solve for x
    x = 274,138,123.18/18,896.22
  6. Step 6: Final answer
    x = 14,507.56

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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.