Home / 14,059.64-19,399.70-8,091.56

Finding the Fourth Proportional to 14,059.64, 19,399.70 and 8,091.56

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Solution

The fourth proportional to 14,059.64, 19,399.70 and 8,091.56 is: 11,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.64 : 19,399.70 = 8,091.56 : x
  2. Step 2: Convert to fraction form
    14,059.64/19,399.70 = 8,091.56/x
  3. Step 3: Cross multiply
    14,059.64x = 19,399.70 × 8,091.56
  4. Step 4: Simplify right side
    14,059.64x = 156,973,836.53
  5. Step 5: Solve for x
    x = 156,973,836.53/14,059.64
  6. Step 6: Final answer
    x = 11,164.85

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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.