Home / 23,163.26-31,964.51-13,602.96

Finding the Fourth Proportional to 23,163.26, 31,964.51 and 13,602.96

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Solution

The fourth proportional to 23,163.26, 31,964.51 and 13,602.96 is: 18,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.26 : 31,964.51 = 13,602.96 : x
  2. Step 2: Convert to fraction form
    23,163.26/31,964.51 = 13,602.96/x
  3. Step 3: Cross multiply
    23,163.26x = 31,964.51 × 13,602.96
  4. Step 4: Simplify right side
    23,163.26x = 434,811,984.96
  5. Step 5: Solve for x
    x = 434,811,984.96/23,163.26
  6. Step 6: Final answer
    x = 18,771.63

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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.