Home / 13,914.45-19,205.57-8,606.18

Finding the Fourth Proportional to 13,914.45, 19,205.57 and 8,606.18

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Solution

The fourth proportional to 13,914.45, 19,205.57 and 8,606.18 is: 11,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.45 : 19,205.57 = 8,606.18 : x
  2. Step 2: Convert to fraction form
    13,914.45/19,205.57 = 8,606.18/x
  3. Step 3: Cross multiply
    13,914.45x = 19,205.57 × 8,606.18
  4. Step 4: Simplify right side
    13,914.45x = 165,286,661.95
  5. Step 5: Solve for x
    x = 165,286,661.95/13,914.45
  6. Step 6: Final answer
    x = 11,878.78

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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.