Home / 16,964.43-25,425.71-12,300.45

Finding the Fourth Proportional to 16,964.43, 25,425.71 and 12,300.45

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Solution

The fourth proportional to 16,964.43, 25,425.71 and 12,300.45 is: 18,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,964.43 : 25,425.71 = 12,300.45 : x
  2. Step 2: Convert to fraction form
    16,964.43/25,425.71 = 12,300.45/x
  3. Step 3: Cross multiply
    16,964.43x = 25,425.71 × 12,300.45
  4. Step 4: Simplify right side
    16,964.43x = 312,747,674.57
  5. Step 5: Solve for x
    x = 312,747,674.57/16,964.43
  6. Step 6: Final answer
    x = 18,435.50

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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.