Home / 22,656.45-31,267.40-13,704.33

Finding the Fourth Proportional to 22,656.45, 31,267.40 and 13,704.33

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Solution

The fourth proportional to 22,656.45, 31,267.40 and 13,704.33 is: 18,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.45 : 31,267.40 = 13,704.33 : x
  2. Step 2: Convert to fraction form
    22,656.45/31,267.40 = 13,704.33/x
  3. Step 3: Cross multiply
    22,656.45x = 31,267.40 × 13,704.33
  4. Step 4: Simplify right side
    22,656.45x = 428,498,699.32
  5. Step 5: Solve for x
    x = 428,498,699.32/22,656.45
  6. Step 6: Final answer
    x = 18,912.88

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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.