Home / 23,163.80-31,966.11-13,601.84

Finding the Fourth Proportional to 23,163.80, 31,966.11 and 13,601.84

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Solution

The fourth proportional to 23,163.80, 31,966.11 and 13,601.84 is: 18,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.80 : 31,966.11 = 13,601.84 : x
  2. Step 2: Convert to fraction form
    23,163.80/31,966.11 = 13,601.84/x
  3. Step 3: Cross multiply
    23,163.80x = 31,966.11 × 13,601.84
  4. Step 4: Simplify right side
    23,163.80x = 434,797,913.64
  5. Step 5: Solve for x
    x = 434,797,913.64/23,163.80
  6. Step 6: Final answer
    x = 18,770.58

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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.