Home / 16,991.80-23,455.22-11,324.48

Finding the Fourth Proportional to 16,991.80, 23,455.22 and 11,324.48

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Solution

The fourth proportional to 16,991.80, 23,455.22 and 11,324.48 is: 15,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.80 : 23,455.22 = 11,324.48 : x
  2. Step 2: Convert to fraction form
    16,991.80/23,455.22 = 11,324.48/x
  3. Step 3: Cross multiply
    16,991.80x = 23,455.22 × 11,324.48
  4. Step 4: Simplify right side
    16,991.80x = 265,618,074.51
  5. Step 5: Solve for x
    x = 265,618,074.51/16,991.80
  6. Step 6: Final answer
    x = 15,632.14

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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.