Home / 20,749.24-28,632.02-11,794.99

Finding the Fourth Proportional to 20,749.24, 28,632.02 and 11,794.99

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Solution

The fourth proportional to 20,749.24, 28,632.02 and 11,794.99 is: 16,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749.24 : 28,632.02 = 11,794.99 : x
  2. Step 2: Convert to fraction form
    20,749.24/28,632.02 = 11,794.99/x
  3. Step 3: Cross multiply
    20,749.24x = 28,632.02 × 11,794.99
  4. Step 4: Simplify right side
    20,749.24x = 337,714,469.60
  5. Step 5: Solve for x
    x = 337,714,469.60/20,749.24
  6. Step 6: Final answer
    x = 16,275.99

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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.