Home / 13,059.06-19,589.22-4,293.78

Finding the Fourth Proportional to 13,059.06, 19,589.22 and 4,293.78

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Solution

The fourth proportional to 13,059.06, 19,589.22 and 4,293.78 is: 6,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.06 : 19,589.22 = 4,293.78 : x
  2. Step 2: Convert to fraction form
    13,059.06/19,589.22 = 4,293.78/x
  3. Step 3: Cross multiply
    13,059.06x = 19,589.22 × 4,293.78
  4. Step 4: Simplify right side
    13,059.06x = 84,111,801.05
  5. Step 5: Solve for x
    x = 84,111,801.05/13,059.06
  6. Step 6: Final answer
    x = 6,440.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.