Home / 14,674.80-20,251.24-7,960.44

Finding the Fourth Proportional to 14,674.80, 20,251.24 and 7,960.44

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Solution

The fourth proportional to 14,674.80, 20,251.24 and 7,960.44 is: 10,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.80 : 20,251.24 = 7,960.44 : x
  2. Step 2: Convert to fraction form
    14,674.80/20,251.24 = 7,960.44/x
  3. Step 3: Cross multiply
    14,674.80x = 20,251.24 × 7,960.44
  4. Step 4: Simplify right side
    14,674.80x = 161,208,780.95
  5. Step 5: Solve for x
    x = 161,208,780.95/14,674.80
  6. Step 6: Final answer
    x = 10,985.42

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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.