Home / 14,227.52-19,635.09-7,940.84

Finding the Fourth Proportional to 14,227.52, 19,635.09 and 7,940.84

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Solution

The fourth proportional to 14,227.52, 19,635.09 and 7,940.84 is: 10,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.52 : 19,635.09 = 7,940.84 : x
  2. Step 2: Convert to fraction form
    14,227.52/19,635.09 = 7,940.84/x
  3. Step 3: Cross multiply
    14,227.52x = 19,635.09 × 7,940.84
  4. Step 4: Simplify right side
    14,227.52x = 155,919,108.08
  5. Step 5: Solve for x
    x = 155,919,108.08/14,227.52
  6. Step 6: Final answer
    x = 10,958.98

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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.