Home / 14,191.30-19,583.99-8,226.43

Finding the Fourth Proportional to 14,191.30, 19,583.99 and 8,226.43

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Solution

The fourth proportional to 14,191.30, 19,583.99 and 8,226.43 is: 11,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.30 : 19,583.99 = 8,226.43 : x
  2. Step 2: Convert to fraction form
    14,191.30/19,583.99 = 8,226.43/x
  3. Step 3: Cross multiply
    14,191.30x = 19,583.99 × 8,226.43
  4. Step 4: Simplify right side
    14,191.30x = 161,106,322.86
  5. Step 5: Solve for x
    x = 161,106,322.86/14,191.30
  6. Step 6: Final answer
    x = 11,352.47

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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.