Home / 16,826.31-23,221.34-9,272.64

Finding the Fourth Proportional to 16,826.31, 23,221.34 and 9,272.64

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Solution

The fourth proportional to 16,826.31, 23,221.34 and 9,272.64 is: 12,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.31 : 23,221.34 = 9,272.64 : x
  2. Step 2: Convert to fraction form
    16,826.31/23,221.34 = 9,272.64/x
  3. Step 3: Cross multiply
    16,826.31x = 23,221.34 × 9,272.64
  4. Step 4: Simplify right side
    16,826.31x = 215,323,079.77
  5. Step 5: Solve for x
    x = 215,323,079.77/16,826.31
  6. Step 6: Final answer
    x = 12,796.81

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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.