Home / 15,822.44-23,682.20-11,660.80

Finding the Fourth Proportional to 15,822.44, 23,682.20 and 11,660.80

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Solution

The fourth proportional to 15,822.44, 23,682.20 and 11,660.80 is: 17,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.44 : 23,682.20 = 11,660.80 : x
  2. Step 2: Convert to fraction form
    15,822.44/23,682.20 = 11,660.80/x
  3. Step 3: Cross multiply
    15,822.44x = 23,682.20 × 11,660.80
  4. Step 4: Simplify right side
    15,822.44x = 276,153,397.76
  5. Step 5: Solve for x
    x = 276,153,397.76/15,822.44
  6. Step 6: Final answer
    x = 17,453.28

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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.