Home / 21,973.23-32,964.74-12,107.43

Finding the Fourth Proportional to 21,973.23, 32,964.74 and 12,107.43

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Solution

The fourth proportional to 21,973.23, 32,964.74 and 12,107.43 is: 18,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.23 : 32,964.74 = 12,107.43 : x
  2. Step 2: Convert to fraction form
    21,973.23/32,964.74 = 12,107.43/x
  3. Step 3: Cross multiply
    21,973.23x = 32,964.74 × 12,107.43
  4. Step 4: Simplify right side
    21,973.23x = 399,118,282.02
  5. Step 5: Solve for x
    x = 399,118,282.02/21,973.23
  6. Step 6: Final answer
    x = 18,163.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.