Home / 13,326.46-19,975.82-5,425.58

Finding the Fourth Proportional to 13,326.46, 19,975.82 and 5,425.58

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Solution

The fourth proportional to 13,326.46, 19,975.82 and 5,425.58 is: 8,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.46 : 19,975.82 = 5,425.58 : x
  2. Step 2: Convert to fraction form
    13,326.46/19,975.82 = 5,425.58/x
  3. Step 3: Cross multiply
    13,326.46x = 19,975.82 × 5,425.58
  4. Step 4: Simplify right side
    13,326.46x = 108,380,432.29
  5. Step 5: Solve for x
    x = 108,380,432.29/13,326.46
  6. Step 6: Final answer
    x = 8,132.73

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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.