Home / 13,942.50-19,257.05-9,458.47

Finding the Fourth Proportional to 13,942.50, 19,257.05 and 9,458.47

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Solution

The fourth proportional to 13,942.50, 19,257.05 and 9,458.47 is: 13,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.50 : 19,257.05 = 9,458.47 : x
  2. Step 2: Convert to fraction form
    13,942.50/19,257.05 = 9,458.47/x
  3. Step 3: Cross multiply
    13,942.50x = 19,257.05 × 9,458.47
  4. Step 4: Simplify right side
    13,942.50x = 182,142,205.22
  5. Step 5: Solve for x
    x = 182,142,205.22/13,942.50
  6. Step 6: Final answer
    x = 13,063.81

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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.