Home / 13,266.78-19,900.17-5,467.02

Finding the Fourth Proportional to 13,266.78, 19,900.17 and 5,467.02

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Solution

The fourth proportional to 13,266.78, 19,900.17 and 5,467.02 is: 8,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.78 : 19,900.17 = 5,467.02 : x
  2. Step 2: Convert to fraction form
    13,266.78/19,900.17 = 5,467.02/x
  3. Step 3: Cross multiply
    13,266.78x = 19,900.17 × 5,467.02
  4. Step 4: Simplify right side
    13,266.78x = 108,794,627.39
  5. Step 5: Solve for x
    x = 108,794,627.39/13,266.78
  6. Step 6: Final answer
    x = 8,200.53

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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.