Home / 13,407.72-20,097.54-4,519.97

Finding the Fourth Proportional to 13,407.72, 20,097.54 and 4,519.97

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Solution

The fourth proportional to 13,407.72, 20,097.54 and 4,519.97 is: 6,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.72 : 20,097.54 = 4,519.97 : x
  2. Step 2: Convert to fraction form
    13,407.72/20,097.54 = 4,519.97/x
  3. Step 3: Cross multiply
    13,407.72x = 20,097.54 × 4,519.97
  4. Step 4: Simplify right side
    13,407.72x = 90,840,365.80
  5. Step 5: Solve for x
    x = 90,840,365.80/13,407.72
  6. Step 6: Final answer
    x = 6,775.23

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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.