Home / 18,584.92-25,649.32-12,918.16

Finding the Fourth Proportional to 18,584.92, 25,649.32 and 12,918.16

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Solution

The fourth proportional to 18,584.92, 25,649.32 and 12,918.16 is: 17,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.92 : 25,649.32 = 12,918.16 : x
  2. Step 2: Convert to fraction form
    18,584.92/25,649.32 = 12,918.16/x
  3. Step 3: Cross multiply
    18,584.92x = 25,649.32 × 12,918.16
  4. Step 4: Simplify right side
    18,584.92x = 331,342,019.65
  5. Step 5: Solve for x
    x = 331,342,019.65/18,584.92
  6. Step 6: Final answer
    x = 17,828.54

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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.