Home / 13,472.73-18,589.91-7,504.25

Finding the Fourth Proportional to 13,472.73, 18,589.91 and 7,504.25

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Solution

The fourth proportional to 13,472.73, 18,589.91 and 7,504.25 is: 10,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.73 : 18,589.91 = 7,504.25 : x
  2. Step 2: Convert to fraction form
    13,472.73/18,589.91 = 7,504.25/x
  3. Step 3: Cross multiply
    13,472.73x = 18,589.91 × 7,504.25
  4. Step 4: Simplify right side
    13,472.73x = 139,503,201.65
  5. Step 5: Solve for x
    x = 139,503,201.65/13,472.73
  6. Step 6: Final answer
    x = 10,354.49

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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.