Home / 14,191.42-19,584.15-8,226.55

Finding the Fourth Proportional to 14,191.42, 19,584.15 and 8,226.55

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Solution

The fourth proportional to 14,191.42, 19,584.15 and 8,226.55 is: 11,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.42 : 19,584.15 = 8,226.55 : x
  2. Step 2: Convert to fraction form
    14,191.42/19,584.15 = 8,226.55/x
  3. Step 3: Cross multiply
    14,191.42x = 19,584.15 × 8,226.55
  4. Step 4: Simplify right side
    14,191.42x = 161,109,989.18
  5. Step 5: Solve for x
    x = 161,109,989.18/14,191.42
  6. Step 6: Final answer
    x = 11,352.63

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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.