Home / 14,278.80-21,425.82-5,964.48

Finding the Fourth Proportional to 14,278.80, 21,425.82 and 5,964.48

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Solution

The fourth proportional to 14,278.80, 21,425.82 and 5,964.48 is: 8,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.80 : 21,425.82 = 5,964.48 : x
  2. Step 2: Convert to fraction form
    14,278.80/21,425.82 = 5,964.48/x
  3. Step 3: Cross multiply
    14,278.80x = 21,425.82 × 5,964.48
  4. Step 4: Simplify right side
    14,278.80x = 127,793,874.87
  5. Step 5: Solve for x
    x = 127,793,874.87/14,278.80
  6. Step 6: Final answer
    x = 8,949.90

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1.5x scale

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.