Home / 13,914.46-19,204.86-12,793.63

Finding the Fourth Proportional to 13,914.46, 19,204.86 and 12,793.63

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Solution

The fourth proportional to 13,914.46, 19,204.86 and 12,793.63 is: 17,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.46 : 19,204.86 = 12,793.63 : x
  2. Step 2: Convert to fraction form
    13,914.46/19,204.86 = 12,793.63/x
  3. Step 3: Cross multiply
    13,914.46x = 19,204.86 × 12,793.63
  4. Step 4: Simplify right side
    13,914.46x = 245,699,713.05
  5. Step 5: Solve for x
    x = 245,699,713.05/13,914.46
  6. Step 6: Final answer
    x = 17,657.87

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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.