Home / 14,065.86-19,414.11-8,100.96

Finding the Fourth Proportional to 14,065.86, 19,414.11 and 8,100.96

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Solution

The fourth proportional to 14,065.86, 19,414.11 and 8,100.96 is: 11,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.86 : 19,414.11 = 8,100.96 : x
  2. Step 2: Convert to fraction form
    14,065.86/19,414.11 = 8,100.96/x
  3. Step 3: Cross multiply
    14,065.86x = 19,414.11 × 8,100.96
  4. Step 4: Simplify right side
    14,065.86x = 157,272,928.55
  5. Step 5: Solve for x
    x = 157,272,928.55/14,065.86
  6. Step 6: Final answer
    x = 11,181.18

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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.