Home / 14,191.44-19,587.69-8,226.69

Finding the Fourth Proportional to 14,191.44, 19,587.69 and 8,226.69

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Solution

The fourth proportional to 14,191.44, 19,587.69 and 8,226.69 is: 11,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.44 : 19,587.69 = 8,226.69 : x
  2. Step 2: Convert to fraction form
    14,191.44/19,587.69 = 8,226.69/x
  3. Step 3: Cross multiply
    14,191.44x = 19,587.69 × 8,226.69
  4. Step 4: Simplify right side
    14,191.44x = 161,141,853.45
  5. Step 5: Solve for x
    x = 161,141,853.45/14,191.44
  6. Step 6: Final answer
    x = 11,354.86

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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.