Home / 13,217.59-18,240.51-7,249.27

Finding the Fourth Proportional to 13,217.59, 18,240.51 and 7,249.27

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Solution

The fourth proportional to 13,217.59, 18,240.51 and 7,249.27 is: 10,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.59 : 18,240.51 = 7,249.27 : x
  2. Step 2: Convert to fraction form
    13,217.59/18,240.51 = 7,249.27/x
  3. Step 3: Cross multiply
    13,217.59x = 18,240.51 × 7,249.27
  4. Step 4: Simplify right side
    13,217.59x = 132,230,290.73
  5. Step 5: Solve for x
    x = 132,230,290.73/13,217.59
  6. Step 6: Final answer
    x = 10,004.12

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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.