Home / 19,786.41-29,632.50-11,448.86

Finding the Fourth Proportional to 19,786.41, 29,632.50 and 11,448.86

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Solution

The fourth proportional to 19,786.41, 29,632.50 and 11,448.86 is: 17,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.41 : 29,632.50 = 11,448.86 : x
  2. Step 2: Convert to fraction form
    19,786.41/29,632.50 = 11,448.86/x
  3. Step 3: Cross multiply
    19,786.41x = 29,632.50 × 11,448.86
  4. Step 4: Simplify right side
    19,786.41x = 339,258,195.79
  5. Step 5: Solve for x
    x = 339,258,195.79/19,786.41
  6. Step 6: Final answer
    x = 17,146.02

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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.