Home / 23,469.48-32,387.76-12,859.20

Finding the Fourth Proportional to 23,469.48, 32,387.76 and 12,859.20

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Solution

The fourth proportional to 23,469.48, 32,387.76 and 12,859.20 is: 17,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,469.48 : 32,387.76 = 12,859.20 : x
  2. Step 2: Convert to fraction form
    23,469.48/32,387.76 = 12,859.20/x
  3. Step 3: Cross multiply
    23,469.48x = 32,387.76 × 12,859.20
  4. Step 4: Simplify right side
    23,469.48x = 416,480,683.39
  5. Step 5: Solve for x
    x = 416,480,683.39/23,469.48
  6. Step 6: Final answer
    x = 17,745.63

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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.