Home / 14,191.89-19,584.81-8,227.03

Finding the Fourth Proportional to 14,191.89, 19,584.81 and 8,227.03

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Solution

The fourth proportional to 14,191.89, 19,584.81 and 8,227.03 is: 11,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.89 : 19,584.81 = 8,227.03 : x
  2. Step 2: Convert to fraction form
    14,191.89/19,584.81 = 8,227.03/x
  3. Step 3: Cross multiply
    14,191.89x = 19,584.81 × 8,227.03
  4. Step 4: Simplify right side
    14,191.89x = 161,124,680.36
  5. Step 5: Solve for x
    x = 161,124,680.36/14,191.89
  6. Step 6: Final answer
    x = 11,353.30

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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.