Home / 22,536.32-31,102.83-13,104.88

Finding the Fourth Proportional to 22,536.32, 31,102.83 and 13,104.88

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Solution

The fourth proportional to 22,536.32, 31,102.83 and 13,104.88 is: 18,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,536.32 : 31,102.83 = 13,104.88 : x
  2. Step 2: Convert to fraction form
    22,536.32/31,102.83 = 13,104.88/x
  3. Step 3: Cross multiply
    22,536.32x = 31,102.83 × 13,104.88
  4. Step 4: Simplify right side
    22,536.32x = 407,598,777.05
  5. Step 5: Solve for x
    x = 407,598,777.05/22,536.32
  6. Step 6: Final answer
    x = 18,086.31

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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.