Home / 13,224.89-18,251.49-7,257.71

Finding the Fourth Proportional to 13,224.89, 18,251.49 and 7,257.71

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Solution

The fourth proportional to 13,224.89, 18,251.49 and 7,257.71 is: 10,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.89 : 18,251.49 = 7,257.71 : x
  2. Step 2: Convert to fraction form
    13,224.89/18,251.49 = 7,257.71/x
  3. Step 3: Cross multiply
    13,224.89x = 18,251.49 × 7,257.71
  4. Step 4: Simplify right side
    13,224.89x = 132,463,930.23
  5. Step 5: Solve for x
    x = 132,463,930.23/13,224.89
  6. Step 6: Final answer
    x = 10,016.26

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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.